Finding the Third Proportional to 72,498 and 153,700

Step by Step Solution

1. Step 1: Write the proportion equation
   72,498 : 153,700 = 153,700 : x
2. Step 2: Convert to fraction form
   72,498/153,700 = 153,700/x
3. Step 3: Cross multiply
   72,498x = 153,700 × 153,700
4. Step 4: Simplify right side
   72,498x = 23,623,690,000
5. Step 5: Solve for x
   x = 23,623,690,000/72,498
6. Step 6: Final answer
   x = 325,852.99