Finding the Third Proportional to 60,574 and 141,490

Step by Step Solution

1. Step 1: Write the proportion equation
   60,574 : 141,490 = 141,490 : x
2. Step 2: Convert to fraction form
   60,574/141,490 = 141,490/x
3. Step 3: Cross multiply
   60,574x = 141,490 × 141,490
4. Step 4: Simplify right side
   60,574x = 20,019,420,100
5. Step 5: Solve for x
   x = 20,019,420,100/60,574
6. Step 6: Final answer
   x = 330,495.26