Finding the Third Proportional to 156,680 and 341,731

Step by Step Solution

1. Step 1: Write the proportion equation
   156,680 : 341,731 = 341,731 : x
2. Step 2: Convert to fraction form
   156,680/341,731 = 341,731/x
3. Step 3: Cross multiply
   156,680x = 341,731 × 341,731
4. Step 4: Simplify right side
   156,680x = 116,780,076,361
5. Step 5: Solve for x
   x = 116,780,076,361/156,680
6. Step 6: Final answer
   x = 745,341.31