Finding the Third Proportional to 60,572 and 141,485

Step by Step Solution

1. Step 1: Write the proportion equation
   60,572 : 141,485 = 141,485 : x
2. Step 2: Convert to fraction form
   60,572/141,485 = 141,485/x
3. Step 3: Cross multiply
   60,572x = 141,485 × 141,485
4. Step 4: Simplify right side
   60,572x = 20,018,005,225
5. Step 5: Solve for x
   x = 20,018,005,225/60,572
6. Step 6: Final answer
   x = 330,482.82