Finding the Third Proportional to 67,498 and 103,290

Step by Step Solution

1. Step 1: Write the proportion equation
   67,498 : 103,290 = 103,290 : x
2. Step 2: Convert to fraction form
   67,498/103,290 = 103,290/x
3. Step 3: Cross multiply
   67,498x = 103,290 × 103,290
4. Step 4: Simplify right side
   67,498x = 10,668,824,100
5. Step 5: Solve for x
   x = 10,668,824,100/67,498
6. Step 6: Final answer
   x = 158,061.34