Finding the Third Proportional to 4,819,584 and 10,279,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,819,584 : 10,279,680 = 10,279,680 : x
2. Step 2: Convert to fraction form
   4,819,584/10,279,680 = 10,279,680/x
3. Step 3: Cross multiply
   4,819,584x = 10,279,680 × 10,279,680
4. Step 4: Simplify right side
   4,819,584x = 105,671,820,902,400
5. Step 5: Solve for x
   x = 105,671,820,902,400/4,819,584
6. Step 6: Final answer
   x = 21,925,506.62