Finding the Third Proportional to 63,115 and 136,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,115 : 136,071.50 = 136,071.50 : x
2. Step 2: Convert to fraction form
   63,115/136,071.50 = 136,071.50/x
3. Step 3: Cross multiply
   63,115x = 136,071.50 × 136,071.50
4. Step 4: Simplify right side
   63,115x = 18,515,453,112.25
5. Step 5: Solve for x
   x = 18,515,453,112.25/63,115
6. Step 6: Final answer
   x = 293,360.58