Finding the Third Proportional to 2,138,812 and 4,755,827

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,812 : 4,755,827 = 4,755,827 : x
2. Step 2: Convert to fraction form
   2,138,812/4,755,827 = 4,755,827/x
3. Step 3: Cross multiply
   2,138,812x = 4,755,827 × 4,755,827
4. Step 4: Simplify right side
   2,138,812x = 22,617,890,453,929
5. Step 5: Solve for x
   x = 22,617,890,453,929/2,138,812
6. Step 6: Final answer
   x = 10,574,978.28