Finding the Third Proportional to 2,181,690 and 4,759,956

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,690 : 4,759,956 = 4,759,956 : x
2. Step 2: Convert to fraction form
   2,181,690/4,759,956 = 4,759,956/x
3. Step 3: Cross multiply
   2,181,690x = 4,759,956 × 4,759,956
4. Step 4: Simplify right side
   2,181,690x = 22,657,181,121,936
5. Step 5: Solve for x
   x = 22,657,181,121,936/2,181,690
6. Step 6: Final answer
   x = 10,385,151.48