Finding the Third Proportional to 63,712.50 and 138,501

Step by Step Solution

1. Step 1: Write the proportion equation
   63,712.50 : 138,501 = 138,501 : x
2. Step 2: Convert to fraction form
   63,712.50/138,501 = 138,501/x
3. Step 3: Cross multiply
   63,712.50x = 138,501 × 138,501
4. Step 4: Simplify right side
   63,712.50x = 19,182,527,001
5. Step 5: Solve for x
   x = 19,182,527,001/63,712.50
6. Step 6: Final answer
   x = 301,079.49