Finding the Third Proportional to 28,662.61 and 60,806.95

Step by Step Solution

1. Step 1: Write the proportion equation
   28,662.61 : 60,806.95 = 60,806.95 : x
2. Step 2: Convert to fraction form
   28,662.61/60,806.95 = 60,806.95/x
3. Step 3: Cross multiply
   28,662.61x = 60,806.95 × 60,806.95
4. Step 4: Simplify right side
   28,662.61x = 3,697,485,548.35
5. Step 5: Solve for x
   x = 3,697,485,548.35/28,662.61
6. Step 6: Final answer
   x = 129,000.31