Finding the Third Proportional to 780,143,152.50 and 1,069,765,812

Step by Step Solution

1. Step 1: Write the proportion equation
   780,143,152.50 : 1,069,765,812 = 1,069,765,812 : x
2. Step 2: Convert to fraction form
   780,143,152.50/1,069,765,812 = 1,069,765,812/x
3. Step 3: Cross multiply
   780,143,152.50x = 1,069,765,812 × 1,069,765,812
4. Step 4: Simplify right side
   780,143,152.50x = 1,144,398,892,524,019,328
5. Step 5: Solve for x
   x = 1,144,398,892,524,019,328/780,143,152.50
6. Step 6: Final answer
   x = 1,466,908,847.25