Finding the Third Proportional to 656,103 and 838,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   656,103 : 838,354.50 = 838,354.50 : x
2. Step 2: Convert to fraction form
   656,103/838,354.50 = 838,354.50/x
3. Step 3: Cross multiply
   656,103x = 838,354.50 × 838,354.50
4. Step 4: Simplify right side
   656,103x = 702,838,267,670.25
5. Step 5: Solve for x
   x = 702,838,267,670.25/656,103
6. Step 6: Final answer
   x = 1,071,231.60