Finding the Third Proportional to 10,008 and 21,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008 : 21,154.50 = 21,154.50 : x
2. Step 2: Convert to fraction form
   10,008/21,154.50 = 21,154.50/x
3. Step 3: Cross multiply
   10,008x = 21,154.50 × 21,154.50
4. Step 4: Simplify right side
   10,008x = 447,512,870.25
5. Step 5: Solve for x
   x = 447,512,870.25/10,008
6. Step 6: Final answer
   x = 44,715.51