Finding the Third Proportional to 60,850.13 and 90,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   60,850.13 : 90,768.38 = 90,768.38 : x
2. Step 2: Convert to fraction form
   60,850.13/90,768.38 = 90,768.38/x
3. Step 3: Cross multiply
   60,850.13x = 90,768.38 × 90,768.38
4. Step 4: Simplify right side
   60,850.13x = 8,238,897,900.14
5. Step 5: Solve for x
   x = 8,238,897,900.14/60,850.13
6. Step 6: Final answer
   x = 135,396.56