Finding the Third Proportional to 63,112.50 and 138,084.75

Step by Step Solution

1. Step 1: Write the proportion equation
   63,112.50 : 138,084.75 = 138,084.75 : x
2. Step 2: Convert to fraction form
   63,112.50/138,084.75 = 138,084.75/x
3. Step 3: Cross multiply
   63,112.50x = 138,084.75 × 138,084.75
4. Step 4: Simplify right side
   63,112.50x = 19,067,398,182.56
5. Step 5: Solve for x
   x = 19,067,398,182.56/63,112.50
6. Step 6: Final answer
   x = 302,117.62