Finding the Third Proportional to 687,878,475,150 and 1,025,852,509,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   687,878,475,150 : 1,025,852,509,459.50 = 1,025,852,509,459.50 : x
2. Step 2: Convert to fraction form
   687,878,475,150/1,025,852,509,459.50 = 1,025,852,509,459.50/x
3. Step 3: Cross multiply
   687,878,475,150x = 1,025,852,509,459.50 × 1,025,852,509,459.50
4. Step 4: Simplify right side
   687,878,475,150x = 1,052,373,371,164,353,603,043,328
5. Step 5: Solve for x
   x = 1,052,373,371,164,353,603,043,328/687,878,475,150
6. Step 6: Final answer
   x = 1,529,882,688,849.76