Finding the Third Proportional to 253,116 and 534,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,116 : 534,691.50 = 534,691.50 : x
2. Step 2: Convert to fraction form
   253,116/534,691.50 = 534,691.50/x
3. Step 3: Cross multiply
   253,116x = 534,691.50 × 534,691.50
4. Step 4: Simplify right side
   253,116x = 285,895,000,172.25
5. Step 5: Solve for x
   x = 285,895,000,172.25/253,116
6. Step 6: Final answer
   x = 1,129,501.89