Finding the Third Proportional to 4,061.63 and 8,635.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061.63 : 8,635.88 = 8,635.88 : x
2. Step 2: Convert to fraction form
   4,061.63/8,635.88 = 8,635.88/x
3. Step 3: Cross multiply
   4,061.63x = 8,635.88 × 8,635.88
4. Step 4: Simplify right side
   4,061.63x = 74,578,337.02
5. Step 5: Solve for x
   x = 74,578,337.02/4,061.63
6. Step 6: Final answer
   x = 18,361.70