Finding the Third Proportional to 156,980 and 234,854

Step by Step Solution

1. Step 1: Write the proportion equation
   156,980 : 234,854 = 234,854 : x
2. Step 2: Convert to fraction form
   156,980/234,854 = 234,854/x
3. Step 3: Cross multiply
   156,980x = 234,854 × 234,854
4. Step 4: Simplify right side
   156,980x = 55,156,401,316
5. Step 5: Solve for x
   x = 55,156,401,316/156,980
6. Step 6: Final answer
   x = 351,359.42