Finding the Third Proportional to 9,762 and 15,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762 : 15,139.50 = 15,139.50 : x
2. Step 2: Convert to fraction form
   9,762/15,139.50 = 15,139.50/x
3. Step 3: Cross multiply
   9,762x = 15,139.50 × 15,139.50
4. Step 4: Simplify right side
   9,762x = 229,204,460.25
5. Step 5: Solve for x
   x = 229,204,460.25/9,762
6. Step 6: Final answer
   x = 23,479.25