Finding the Third Proportional to 10,070 and 14,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070 : 14,717.50 = 14,717.50 : x
2. Step 2: Convert to fraction form
   10,070/14,717.50 = 14,717.50/x
3. Step 3: Cross multiply
   10,070x = 14,717.50 × 14,717.50
4. Step 4: Simplify right side
   10,070x = 216,604,806.25
5. Step 5: Solve for x
   x = 216,604,806.25/10,070
6. Step 6: Final answer
   x = 21,509.91