Finding the Third Proportional to 46,978.88 and 72,710.44

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.88 : 72,710.44 = 72,710.44 : x
2. Step 2: Convert to fraction form
   46,978.88/72,710.44 = 72,710.44/x
3. Step 3: Cross multiply
   46,978.88x = 72,710.44 × 72,710.44
4. Step 4: Simplify right side
   46,978.88x = 5,286,807,721.44
5. Step 5: Solve for x
   x = 5,286,807,721.44/46,978.88
6. Step 6: Final answer
   x = 112,535.85