Finding the Third Proportional to 72,429 and 153,552

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429 : 153,552 = 153,552 : x
2. Step 2: Convert to fraction form
   72,429/153,552 = 153,552/x
3. Step 3: Cross multiply
   72,429x = 153,552 × 153,552
4. Step 4: Simplify right side
   72,429x = 23,578,216,704
5. Step 5: Solve for x
   x = 23,578,216,704/72,429
6. Step 6: Final answer
   x = 325,535.58