Finding the Third Proportional to 711,369 and 1,085,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   711,369 : 1,085,116.50 = 1,085,116.50 : x
2. Step 2: Convert to fraction form
   711,369/1,085,116.50 = 1,085,116.50/x
3. Step 3: Cross multiply
   711,369x = 1,085,116.50 × 1,085,116.50
4. Step 4: Simplify right side
   711,369x = 1,177,477,818,572.25
5. Step 5: Solve for x
   x = 1,177,477,818,572.25/711,369
6. Step 6: Final answer
   x = 1,655,227.90