Finding the Third Proportional to 9,940.13 and 21,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.13 : 21,700.50 = 21,700.50 : x
2. Step 2: Convert to fraction form
   9,940.13/21,700.50 = 21,700.50/x
3. Step 3: Cross multiply
   9,940.13x = 21,700.50 × 21,700.50
4. Step 4: Simplify right side
   9,940.13x = 470,911,700.25
5. Step 5: Solve for x
   x = 470,911,700.25/9,940.13
6. Step 6: Final answer
   x = 47,374.83