Finding the Third Proportional to 156,986 and 341,996

Step by Step Solution

1. Step 1: Write the proportion equation
   156,986 : 341,996 = 341,996 : x
2. Step 2: Convert to fraction form
   156,986/341,996 = 341,996/x
3. Step 3: Cross multiply
   156,986x = 341,996 × 341,996
4. Step 4: Simplify right side
   156,986x = 116,961,264,016
5. Step 5: Solve for x
   x = 116,961,264,016/156,986
6. Step 6: Final answer
   x = 745,042.64