Finding the Third Proportional to 12,988.50 and 19,577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988.50 : 19,577.25 = 19,577.25 : x
2. Step 2: Convert to fraction form
   12,988.50/19,577.25 = 19,577.25/x
3. Step 3: Cross multiply
   12,988.50x = 19,577.25 × 19,577.25
4. Step 4: Simplify right side
   12,988.50x = 383,268,717.56
5. Step 5: Solve for x
   x = 383,268,717.56/12,988.50
6. Step 6: Final answer
   x = 29,508.31