Finding the Third Proportional to 28,461.38 and 42,657.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,461.38 : 42,657.75 = 42,657.75 : x
2. Step 2: Convert to fraction form
   28,461.38/42,657.75 = 42,657.75/x
3. Step 3: Cross multiply
   28,461.38x = 42,657.75 × 42,657.75
4. Step 4: Simplify right side
   28,461.38x = 1,819,683,635.06
5. Step 5: Solve for x
   x = 1,819,683,635.06/28,461.38
6. Step 6: Final answer
   x = 63,935.20