Finding the Third Proportional to 88,655.50 and 136,264

Step by Step Solution

1. Step 1: Write the proportion equation
   88,655.50 : 136,264 = 136,264 : x
2. Step 2: Convert to fraction form
   88,655.50/136,264 = 136,264/x
3. Step 3: Cross multiply
   88,655.50x = 136,264 × 136,264
4. Step 4: Simplify right side
   88,655.50x = 18,567,877,696
5. Step 5: Solve for x
   x = 18,567,877,696/88,655.50
6. Step 6: Final answer
   x = 209,438.53