Finding the Third Proportional to 2,878,750,128 and 4,422,881,404

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,750,128 : 4,422,881,404 = 4,422,881,404 : x
2. Step 2: Convert to fraction form
   2,878,750,128/4,422,881,404 = 4,422,881,404/x
3. Step 3: Cross multiply
   2,878,750,128x = 4,422,881,404 × 4,422,881,404
4. Step 4: Simplify right side
   2,878,750,128x = 19,561,879,913,849,012,224
5. Step 5: Solve for x
   x = 19,561,879,913,849,012,224/2,878,750,128
6. Step 6: Final answer
   x = 6,795,268,447.78