Finding the Third Proportional to 117,342 and 159,426

Step by Step Solution

1. Step 1: Write the proportion equation
   117,342 : 159,426 = 159,426 : x
2. Step 2: Convert to fraction form
   117,342/159,426 = 159,426/x
3. Step 3: Cross multiply
   117,342x = 159,426 × 159,426
4. Step 4: Simplify right side
   117,342x = 25,416,649,476
5. Step 5: Solve for x
   x = 25,416,649,476/117,342
6. Step 6: Final answer
   x = 216,603.17