Finding the Third Proportional to 30,445.88 and 65,387.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,445.88 : 65,387.25 = 65,387.25 : x
2. Step 2: Convert to fraction form
   30,445.88/65,387.25 = 65,387.25/x
3. Step 3: Cross multiply
   30,445.88x = 65,387.25 × 65,387.25
4. Step 4: Simplify right side
   30,445.88x = 4,275,492,462.56
5. Step 5: Solve for x
   x = 4,275,492,462.56/30,445.88
6. Step 6: Final answer
   x = 140,429.29