Finding the Third Proportional to 72,411 and 153,562

Step by Step Solution

1. Step 1: Write the proportion equation
   72,411 : 153,562 = 153,562 : x
2. Step 2: Convert to fraction form
   72,411/153,562 = 153,562/x
3. Step 3: Cross multiply
   72,411x = 153,562 × 153,562
4. Step 4: Simplify right side
   72,411x = 23,581,287,844
5. Step 5: Solve for x
   x = 23,581,287,844/72,411
6. Step 6: Final answer
   x = 325,658.92