Finding the Third Proportional to 63,116.72 and 138,110.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,116.72 : 138,110.48 = 138,110.48 : x
2. Step 2: Convert to fraction form
   63,116.72/138,110.48 = 138,110.48/x
3. Step 3: Cross multiply
   63,116.72x = 138,110.48 × 138,110.48
4. Step 4: Simplify right side
   63,116.72x = 19,074,505,894.30
5. Step 5: Solve for x
   x = 19,074,505,894.30/63,116.72
6. Step 6: Final answer
   x = 302,210.04