Finding the Third Proportional to 10,173.09 and 21,880.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.09 : 21,880.13 = 21,880.13 : x
2. Step 2: Convert to fraction form
   10,173.09/21,880.13 = 21,880.13/x
3. Step 3: Cross multiply
   10,173.09x = 21,880.13 × 21,880.13
4. Step 4: Simplify right side
   10,173.09x = 478,739,870.02
5. Step 5: Solve for x
   x = 478,739,870.02/10,173.09
6. Step 6: Final answer
   x = 47,059.42