Finding the Third Proportional to 88,060 and 136,410

Step by Step Solution

1. Step 1: Write the proportion equation
   88,060 : 136,410 = 136,410 : x
2. Step 2: Convert to fraction form
   88,060/136,410 = 136,410/x
3. Step 3: Cross multiply
   88,060x = 136,410 × 136,410
4. Step 4: Simplify right side
   88,060x = 18,607,688,100
5. Step 5: Solve for x
   x = 18,607,688,100/88,060
6. Step 6: Final answer
   x = 211,306.93