Finding the Third Proportional to 4,394,422 and 9,626,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,394,422 : 9,626,680 = 9,626,680 : x
2. Step 2: Convert to fraction form
   4,394,422/9,626,680 = 9,626,680/x
3. Step 3: Cross multiply
   4,394,422x = 9,626,680 × 9,626,680
4. Step 4: Simplify right side
   4,394,422x = 92,672,967,822,400
5. Step 5: Solve for x
   x = 92,672,967,822,400/4,394,422
6. Step 6: Final answer
   x = 21,088,772.95