Finding the Third Proportional to 215,087.91 and 472,642.59

Step by Step Solution

1. Step 1: Write the proportion equation
   215,087.91 : 472,642.59 = 472,642.59 : x
2. Step 2: Convert to fraction form
   215,087.91/472,642.59 = 472,642.59/x
3. Step 3: Cross multiply
   215,087.91x = 472,642.59 × 472,642.59
4. Step 4: Simplify right side
   215,087.91x = 223,391,021,426.73
5. Step 5: Solve for x
   x = 223,391,021,426.73/215,087.91
6. Step 6: Final answer
   x = 1,038,603.36