Finding the Third Proportional to 518,340.50 and 773,513

Step by Step Solution

1. Step 1: Write the proportion equation
   518,340.50 : 773,513 = 773,513 : x
2. Step 2: Convert to fraction form
   518,340.50/773,513 = 773,513/x
3. Step 3: Cross multiply
   518,340.50x = 773,513 × 773,513
4. Step 4: Simplify right side
   518,340.50x = 598,322,361,169
5. Step 5: Solve for x
   x = 598,322,361,169/518,340.50
6. Step 6: Final answer
   x = 1,154,303.71