Finding the Third Proportional to 72,499 and 161,846

Step by Step Solution

1. Step 1: Write the proportion equation
   72,499 : 161,846 = 161,846 : x
2. Step 2: Convert to fraction form
   72,499/161,846 = 161,846/x
3. Step 3: Cross multiply
   72,499x = 161,846 × 161,846
4. Step 4: Simplify right side
   72,499x = 26,194,127,716
5. Step 5: Solve for x
   x = 26,194,127,716/72,499
6. Step 6: Final answer
   x = 361,303.30