Finding the Third Proportional to 72,264 and 102,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,264 : 102,708.50 = 102,708.50 : x
2. Step 2: Convert to fraction form
   72,264/102,708.50 = 102,708.50/x
3. Step 3: Cross multiply
   72,264x = 102,708.50 × 102,708.50
4. Step 4: Simplify right side
   72,264x = 10,549,035,972.25
5. Step 5: Solve for x
   x = 10,549,035,972.25/72,264
6. Step 6: Final answer
   x = 145,979.13