Finding the Third Proportional to 749,648 and 1,068,399

Step by Step Solution

1. Step 1: Write the proportion equation
   749,648 : 1,068,399 = 1,068,399 : x
2. Step 2: Convert to fraction form
   749,648/1,068,399 = 1,068,399/x
3. Step 3: Cross multiply
   749,648x = 1,068,399 × 1,068,399
4. Step 4: Simplify right side
   749,648x = 1,141,476,423,201
5. Step 5: Solve for x
   x = 1,141,476,423,201/749,648
6. Step 6: Final answer
   x = 1,522,683.21