Finding the Third Proportional to 45,907.88 and 68,648.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,907.88 : 68,648.63 = 68,648.63 : x
2. Step 2: Convert to fraction form
   45,907.88/68,648.63 = 68,648.63/x
3. Step 3: Cross multiply
   45,907.88x = 68,648.63 × 68,648.63
4. Step 4: Simplify right side
   45,907.88x = 4,712,633,714.39
5. Step 5: Solve for x
   x = 4,712,633,714.39/45,907.88
6. Step 6: Final answer
   x = 102,654.15