Finding the Third Proportional to 42,374.25 and 57,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,374.25 : 57,484.50 = 57,484.50 : x
2. Step 2: Convert to fraction form
   42,374.25/57,484.50 = 57,484.50/x
3. Step 3: Cross multiply
   42,374.25x = 57,484.50 × 57,484.50
4. Step 4: Simplify right side
   42,374.25x = 3,304,467,740.25
5. Step 5: Solve for x
   x = 3,304,467,740.25/42,374.25
6. Step 6: Final answer
   x = 77,982.92