Finding the Third Proportional to 21,718.55 and 47,588.77

Step by Step Solution

1. Step 1: Write the proportion equation
   21,718.55 : 47,588.77 = 47,588.77 : x
2. Step 2: Convert to fraction form
   21,718.55/47,588.77 = 47,588.77/x
3. Step 3: Cross multiply
   21,718.55x = 47,588.77 × 47,588.77
4. Step 4: Simplify right side
   21,718.55x = 2,264,690,613.71
5. Step 5: Solve for x
   x = 2,264,690,613.71/21,718.55
6. Step 6: Final answer
   x = 104,274.50