Finding the Third Proportional to 72,985.50 and 109,802

Step by Step Solution

1. Step 1: Write the proportion equation
   72,985.50 : 109,802 = 109,802 : x
2. Step 2: Convert to fraction form
   72,985.50/109,802 = 109,802/x
3. Step 3: Cross multiply
   72,985.50x = 109,802 × 109,802
4. Step 4: Simplify right side
   72,985.50x = 12,056,479,204
5. Step 5: Solve for x
   x = 12,056,479,204/72,985.50
6. Step 6: Final answer
   x = 165,190.06