Finding the Third Proportional to 72,598.50 and 108,897.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,598.50 : 108,897.75 = 108,897.75 : x
2. Step 2: Convert to fraction form
   72,598.50/108,897.75 = 108,897.75/x
3. Step 3: Cross multiply
   72,598.50x = 108,897.75 × 108,897.75
4. Step 4: Simplify right side
   72,598.50x = 11,858,719,955.06
5. Step 5: Solve for x
   x = 11,858,719,955.06/72,598.50
6. Step 6: Final answer
   x = 163,346.63