Finding the Third Proportional to 42,214.50 and 57,813.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,214.50 : 57,813.75 = 57,813.75 : x
2. Step 2: Convert to fraction form
   42,214.50/57,813.75 = 57,813.75/x
3. Step 3: Cross multiply
   42,214.50x = 57,813.75 × 57,813.75
4. Step 4: Simplify right side
   42,214.50x = 3,342,429,689.06
5. Step 5: Solve for x
   x = 3,342,429,689.06/42,214.50
6. Step 6: Final answer
   x = 79,177.29