Finding the Third Proportional to 518,364 and 773,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   518,364 : 773,548.50 = 773,548.50 : x
2. Step 2: Convert to fraction form
   518,364/773,548.50 = 773,548.50/x
3. Step 3: Cross multiply
   518,364x = 773,548.50 × 773,548.50
4. Step 4: Simplify right side
   518,364x = 598,377,281,852.25
5. Step 5: Solve for x
   x = 598,377,281,852.25/518,364
6. Step 6: Final answer
   x = 1,154,357.33