Finding the Third Proportional to 60,210 and 89,445

Step by Step Solution

1. Step 1: Write the proportion equation
   60,210 : 89,445 = 89,445 : x
2. Step 2: Convert to fraction form
   60,210/89,445 = 89,445/x
3. Step 3: Cross multiply
   60,210x = 89,445 × 89,445
4. Step 4: Simplify right side
   60,210x = 8,000,408,025
5. Step 5: Solve for x
   x = 8,000,408,025/60,210
6. Step 6: Final answer
   x = 132,875.07