Finding the Third Proportional to 156,988 and 341,336

Step by Step Solution

1. Step 1: Write the proportion equation
   156,988 : 341,336 = 341,336 : x
2. Step 2: Convert to fraction form
   156,988/341,336 = 341,336/x
3. Step 3: Cross multiply
   156,988x = 341,336 × 341,336
4. Step 4: Simplify right side
   156,988x = 116,510,264,896
5. Step 5: Solve for x
   x = 116,510,264,896/156,988
6. Step 6: Final answer
   x = 742,160.32