Finding the Third Proportional to 158,166 and 345,516

Step by Step Solution

1. Step 1: Write the proportion equation
   158,166 : 345,516 = 345,516 : x
2. Step 2: Convert to fraction form
   158,166/345,516 = 345,516/x
3. Step 3: Cross multiply
   158,166x = 345,516 × 345,516
4. Step 4: Simplify right side
   158,166x = 119,381,306,256
5. Step 5: Solve for x
   x = 119,381,306,256/158,166
6. Step 6: Final answer
   x = 754,784.89