Finding the Third Proportional to 4,408,680 and 9,684,708

Step by Step Solution

1. Step 1: Write the proportion equation
   4,408,680 : 9,684,708 = 9,684,708 : x
2. Step 2: Convert to fraction form
   4,408,680/9,684,708 = 9,684,708/x
3. Step 3: Cross multiply
   4,408,680x = 9,684,708 × 9,684,708
4. Step 4: Simplify right side
   4,408,680x = 93,793,569,045,264
5. Step 5: Solve for x
   x = 93,793,569,045,264/4,408,680
6. Step 6: Final answer
   x = 21,274,750.96