Finding the Third Proportional to 3,645,104 and 7,976,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,104 : 7,976,440 = 7,976,440 : x
2. Step 2: Convert to fraction form
   3,645,104/7,976,440 = 7,976,440/x
3. Step 3: Cross multiply
   3,645,104x = 7,976,440 × 7,976,440
4. Step 4: Simplify right side
   3,645,104x = 63,623,595,073,600
5. Step 5: Solve for x
   x = 63,623,595,073,600/3,645,104
6. Step 6: Final answer
   x = 17,454,534.93