Finding the Third Proportional to 72,353.25 and 108,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,353.25 : 108,985.50 = 108,985.50 : x
2. Step 2: Convert to fraction form
   72,353.25/108,985.50 = 108,985.50/x
3. Step 3: Cross multiply
   72,353.25x = 108,985.50 × 108,985.50
4. Step 4: Simplify right side
   72,353.25x = 11,877,839,210.25
5. Step 5: Solve for x
   x = 11,877,839,210.25/72,353.25
6. Step 6: Final answer
   x = 164,164.56