Finding the Third Proportional to 4,918,320 and 10,081,584

Step by Step Solution

1. Step 1: Write the proportion equation
   4,918,320 : 10,081,584 = 10,081,584 : x
2. Step 2: Convert to fraction form
   4,918,320/10,081,584 = 10,081,584/x
3. Step 3: Cross multiply
   4,918,320x = 10,081,584 × 10,081,584
4. Step 4: Simplify right side
   4,918,320x = 101,638,335,949,056
5. Step 5: Solve for x
   x = 101,638,335,949,056/4,918,320
6. Step 6: Final answer
   x = 20,665,254.79