Finding the Third Proportional to 73,439.72 and 99,087.47

Step by Step Solution

1. Step 1: Write the proportion equation
   73,439.72 : 99,087.47 = 99,087.47 : x
2. Step 2: Convert to fraction form
   73,439.72/99,087.47 = 99,087.47/x
3. Step 3: Cross multiply
   73,439.72x = 99,087.47 × 99,087.47
4. Step 4: Simplify right side
   73,439.72x = 9,818,326,463.28
5. Step 5: Solve for x
   x = 9,818,326,463.28/73,439.72
6. Step 6: Final answer
   x = 133,692.32