Finding the Third Proportional to 158,355 and 345,114

Step by Step Solution

1. Step 1: Write the proportion equation
   158,355 : 345,114 = 345,114 : x
2. Step 2: Convert to fraction form
   158,355/345,114 = 345,114/x
3. Step 3: Cross multiply
   158,355x = 345,114 × 345,114
4. Step 4: Simplify right side
   158,355x = 119,103,672,996
5. Step 5: Solve for x
   x = 119,103,672,996/158,355
6. Step 6: Final answer
   x = 752,130.80