Finding the Third Proportional to 72,198.84 and 156,985.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,198.84 : 156,985.59 = 156,985.59 : x
2. Step 2: Convert to fraction form
   72,198.84/156,985.59 = 156,985.59/x
3. Step 3: Cross multiply
   72,198.84x = 156,985.59 × 156,985.59
4. Step 4: Simplify right side
   72,198.84x = 24,644,476,645.04
5. Step 5: Solve for x
   x = 24,644,476,645.04/72,198.84
6. Step 6: Final answer
   x = 341,341.71