Finding the Third Proportional to 17,572 and 38,429

Step by Step Solution

1. Step 1: Write the proportion equation
   17,572 : 38,429 = 38,429 : x
2. Step 2: Convert to fraction form
   17,572/38,429 = 38,429/x
3. Step 3: Cross multiply
   17,572x = 38,429 × 38,429
4. Step 4: Simplify right side
   17,572x = 1,476,788,041
5. Step 5: Solve for x
   x = 1,476,788,041/17,572
6. Step 6: Final answer
   x = 84,042.11