Finding the Third Proportional to 642,735 and 1,227,150

Step by Step Solution

1. Step 1: Write the proportion equation
   642,735 : 1,227,150 = 1,227,150 : x
2. Step 2: Convert to fraction form
   642,735/1,227,150 = 1,227,150/x
3. Step 3: Cross multiply
   642,735x = 1,227,150 × 1,227,150
4. Step 4: Simplify right side
   642,735x = 1,505,897,122,500
5. Step 5: Solve for x
   x = 1,505,897,122,500/642,735
6. Step 6: Final answer
   x = 2,342,951.80