Finding the Third Proportional to 63,120 and 136,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,120 : 136,081.50 = 136,081.50 : x
2. Step 2: Convert to fraction form
   63,120/136,081.50 = 136,081.50/x
3. Step 3: Cross multiply
   63,120x = 136,081.50 × 136,081.50
4. Step 4: Simplify right side
   63,120x = 18,518,174,642.25
5. Step 5: Solve for x
   x = 18,518,174,642.25/63,120
6. Step 6: Final answer
   x = 293,380.46