Finding the Third Proportional to 64,732 and 140,552

Step by Step Solution

1. Step 1: Write the proportion equation
   64,732 : 140,552 = 140,552 : x
2. Step 2: Convert to fraction form
   64,732/140,552 = 140,552/x
3. Step 3: Cross multiply
   64,732x = 140,552 × 140,552
4. Step 4: Simplify right side
   64,732x = 19,754,864,704
5. Step 5: Solve for x
   x = 19,754,864,704/64,732
6. Step 6: Final answer
   x = 305,179.27