Finding the Third Proportional to 61,950.38 and 89,438.06

Step by Step Solution

1. Step 1: Write the proportion equation
   61,950.38 : 89,438.06 = 89,438.06 : x
2. Step 2: Convert to fraction form
   61,950.38/89,438.06 = 89,438.06/x
3. Step 3: Cross multiply
   61,950.38x = 89,438.06 × 89,438.06
4. Step 4: Simplify right side
   61,950.38x = 7,999,167,023.75
5. Step 5: Solve for x
   x = 7,999,167,023.75/61,950.38
6. Step 6: Final answer
   x = 129,122.17