Finding the Third Proportional to 573,141 and 861,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   573,141 : 861,151.50 = 861,151.50 : x
2. Step 2: Convert to fraction form
   573,141/861,151.50 = 861,151.50/x
3. Step 3: Cross multiply
   573,141x = 861,151.50 × 861,151.50
4. Step 4: Simplify right side
   573,141x = 741,581,905,952.25
5. Step 5: Solve for x
   x = 741,581,905,952.25/573,141
6. Step 6: Final answer
   x = 1,293,890.87