Finding the Third Proportional to 13,918.50 and 21,292.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,918.50 : 21,292.88 = 21,292.88 : x
2. Step 2: Convert to fraction form
   13,918.50/21,292.88 = 21,292.88/x
3. Step 3: Cross multiply
   13,918.50x = 21,292.88 × 21,292.88
4. Step 4: Simplify right side
   13,918.50x = 453,386,525.77
5. Step 5: Solve for x
   x = 453,386,525.77/13,918.50
6. Step 6: Final answer
   x = 32,574.38