Finding the Third Proportional to 518,333.50 and 773,502.50

Step by Step Solution

1. Step 1: Write the proportion equation
   518,333.50 : 773,502.50 = 773,502.50 : x
2. Step 2: Convert to fraction form
   518,333.50/773,502.50 = 773,502.50/x
3. Step 3: Cross multiply
   518,333.50x = 773,502.50 × 773,502.50
4. Step 4: Simplify right side
   518,333.50x = 598,306,117,506.25
5. Step 5: Solve for x
   x = 598,306,117,506.25/518,333.50
6. Step 6: Final answer
   x = 1,154,287.96