Finding the Third Proportional to 356,613 and 529,024.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,613 : 529,024.50 = 529,024.50 : x
2. Step 2: Convert to fraction form
   356,613/529,024.50 = 529,024.50/x
3. Step 3: Cross multiply
   356,613x = 529,024.50 × 529,024.50
4. Step 4: Simplify right side
   356,613x = 279,866,921,600.25
5. Step 5: Solve for x
   x = 279,866,921,600.25/356,613
6. Step 6: Final answer
   x = 784,791.70