Finding the Third Proportional to 501,842.25 and 715,392

Step by Step Solution

1. Step 1: Write the proportion equation
   501,842.25 : 715,392 = 715,392 : x
2. Step 2: Convert to fraction form
   501,842.25/715,392 = 715,392/x
3. Step 3: Cross multiply
   501,842.25x = 715,392 × 715,392
4. Step 4: Simplify right side
   501,842.25x = 511,785,713,664
5. Step 5: Solve for x
   x = 511,785,713,664/501,842.25
6. Step 6: Final answer
   x = 1,019,813.92