Finding the Third Proportional to 156,934 and 342,298

Step by Step Solution

1. Step 1: Write the proportion equation
   156,934 : 342,298 = 342,298 : x
2. Step 2: Convert to fraction form
   156,934/342,298 = 342,298/x
3. Step 3: Cross multiply
   156,934x = 342,298 × 342,298
4. Step 4: Simplify right side
   156,934x = 117,167,920,804
5. Step 5: Solve for x
   x = 117,167,920,804/156,934
6. Step 6: Final answer
   x = 746,606.35