Finding the Third Proportional to 10,078,584 and 21,836,784

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078,584 : 21,836,784 = 21,836,784 : x
2. Step 2: Convert to fraction form
   10,078,584/21,836,784 = 21,836,784/x
3. Step 3: Cross multiply
   10,078,584x = 21,836,784 × 21,836,784
4. Step 4: Simplify right side
   10,078,584x = 476,845,135,462,656
5. Step 5: Solve for x
   x = 476,845,135,462,656/10,078,584
6. Step 6: Final answer
   x = 47,312,711.34