Finding the Third Proportional to 34,642.50 and 55,791

Step by Step Solution

1. Step 1: Write the proportion equation
   34,642.50 : 55,791 = 55,791 : x
2. Step 2: Convert to fraction form
   34,642.50/55,791 = 55,791/x
3. Step 3: Cross multiply
   34,642.50x = 55,791 × 55,791
4. Step 4: Simplify right side
   34,642.50x = 3,112,635,681
5. Step 5: Solve for x
   x = 3,112,635,681/34,642.50
6. Step 6: Final answer
   x = 89,850.20