Finding the Third Proportional to 40,620 and 60,591

Step by Step Solution

1. Step 1: Write the proportion equation
   40,620 : 60,591 = 60,591 : x
2. Step 2: Convert to fraction form
   40,620/60,591 = 60,591/x
3. Step 3: Cross multiply
   40,620x = 60,591 × 60,591
4. Step 4: Simplify right side
   40,620x = 3,671,269,281
5. Step 5: Solve for x
   x = 3,671,269,281/40,620
6. Step 6: Final answer
   x = 90,380.83