Finding the Third Proportional to 158,132 and 345,448

Step by Step Solution

1. Step 1: Write the proportion equation
   158,132 : 345,448 = 345,448 : x
2. Step 2: Convert to fraction form
   158,132/345,448 = 345,448/x
3. Step 3: Cross multiply
   158,132x = 345,448 × 345,448
4. Step 4: Simplify right side
   158,132x = 119,334,320,704
5. Step 5: Solve for x
   x = 119,334,320,704/158,132
6. Step 6: Final answer
   x = 754,650.04