Finding the Third Proportional to 42,798.38 and 61,647.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,798.38 : 61,647.96 = 61,647.96 : x
2. Step 2: Convert to fraction form
   42,798.38/61,647.96 = 61,647.96/x
3. Step 3: Cross multiply
   42,798.38x = 61,647.96 × 61,647.96
4. Step 4: Simplify right side
   42,798.38x = 3,800,471,087.75
5. Step 5: Solve for x
   x = 3,800,471,087.75/42,798.38
6. Step 6: Final answer
   x = 88,799.42