Finding the Third Proportional to 9,408 and 21,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,408 : 21,043.50 = 21,043.50 : x
2. Step 2: Convert to fraction form
   9,408/21,043.50 = 21,043.50/x
3. Step 3: Cross multiply
   9,408x = 21,043.50 × 21,043.50
4. Step 4: Simplify right side
   9,408x = 442,828,892.25
5. Step 5: Solve for x
   x = 442,828,892.25/9,408
6. Step 6: Final answer
   x = 47,069.40