Finding the Third Proportional to 6,490,908 and 10,278,180

Step by Step Solution

1. Step 1: Write the proportion equation
   6,490,908 : 10,278,180 = 10,278,180 : x
2. Step 2: Convert to fraction form
   6,490,908/10,278,180 = 10,278,180/x
3. Step 3: Cross multiply
   6,490,908x = 10,278,180 × 10,278,180
4. Step 4: Simplify right side
   6,490,908x = 105,640,984,112,400
5. Step 5: Solve for x
   x = 105,640,984,112,400/6,490,908
6. Step 6: Final answer
   x = 16,275,224.38