Finding the Third Proportional to 156,984 and 341,328

Step by Step Solution

1. Step 1: Write the proportion equation
   156,984 : 341,328 = 341,328 : x
2. Step 2: Convert to fraction form
   156,984/341,328 = 341,328/x
3. Step 3: Cross multiply
   156,984x = 341,328 × 341,328
4. Step 4: Simplify right side
   156,984x = 116,504,803,584
5. Step 5: Solve for x
   x = 116,504,803,584/156,984
6. Step 6: Final answer
   x = 742,144.45