Finding the Third Proportional to 158,460 and 345,352

Step by Step Solution

1. Step 1: Write the proportion equation
   158,460 : 345,352 = 345,352 : x
2. Step 2: Convert to fraction form
   158,460/345,352 = 345,352/x
3. Step 3: Cross multiply
   158,460x = 345,352 × 345,352
4. Step 4: Simplify right side
   158,460x = 119,268,003,904
5. Step 5: Solve for x
   x = 119,268,003,904/158,460
6. Step 6: Final answer
   x = 752,669.47