Finding the Third Proportional to 45,339.75 and 70,442.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,339.75 : 70,442.25 = 70,442.25 : x
2. Step 2: Convert to fraction form
   45,339.75/70,442.25 = 70,442.25/x
3. Step 3: Cross multiply
   45,339.75x = 70,442.25 × 70,442.25
4. Step 4: Simplify right side
   45,339.75x = 4,962,110,585.06
5. Step 5: Solve for x
   x = 4,962,110,585.06/45,339.75
6. Step 6: Final answer
   x = 109,442.83