Finding the Third Proportional to 69,311 and 105,426

Step by Step Solution

1. Step 1: Write the proportion equation
   69,311 : 105,426 = 105,426 : x
2. Step 2: Convert to fraction form
   69,311/105,426 = 105,426/x
3. Step 3: Cross multiply
   69,311x = 105,426 × 105,426
4. Step 4: Simplify right side
   69,311x = 11,114,641,476
5. Step 5: Solve for x
   x = 11,114,641,476/69,311
6. Step 6: Final answer
   x = 160,358.98