Finding the Third Proportional to 103,518 and 141,426

Step by Step Solution

1. Step 1: Write the proportion equation
   103,518 : 141,426 = 141,426 : x
2. Step 2: Convert to fraction form
   103,518/141,426 = 141,426/x
3. Step 3: Cross multiply
   103,518x = 141,426 × 141,426
4. Step 4: Simplify right side
   103,518x = 20,001,313,476
5. Step 5: Solve for x
   x = 20,001,313,476/103,518
6. Step 6: Final answer
   x = 193,215.80