Finding the Third Proportional to 4,614,584 and 9,938,836

Step by Step Solution

1. Step 1: Write the proportion equation
   4,614,584 : 9,938,836 = 9,938,836 : x
2. Step 2: Convert to fraction form
   4,614,584/9,938,836 = 9,938,836/x
3. Step 3: Cross multiply
   4,614,584x = 9,938,836 × 9,938,836
4. Step 4: Simplify right side
   4,614,584x = 98,780,461,034,896
5. Step 5: Solve for x
   x = 98,780,461,034,896/4,614,584
6. Step 6: Final answer
   x = 21,406,146.48