Finding the Third Proportional to 4,861.69 and 10,602.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,861.69 : 10,602.56 = 10,602.56 : x
2. Step 2: Convert to fraction form
   4,861.69/10,602.56 = 10,602.56/x
3. Step 3: Cross multiply
   4,861.69x = 10,602.56 × 10,602.56
4. Step 4: Simplify right side
   4,861.69x = 112,414,331.57
5. Step 5: Solve for x
   x = 112,414,331.57/4,861.69
6. Step 6: Final answer
   x = 23,122.49