Finding the Third Proportional to 30,155.63 and 65,414.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,155.63 : 65,414.25 = 65,414.25 : x
2. Step 2: Convert to fraction form
   30,155.63/65,414.25 = 65,414.25/x
3. Step 3: Cross multiply
   30,155.63x = 65,414.25 × 65,414.25
4. Step 4: Simplify right side
   30,155.63x = 4,279,024,103.06
5. Step 5: Solve for x
   x = 4,279,024,103.06/30,155.63
6. Step 6: Final answer
   x = 141,898.04