Finding the Third Proportional to 3,645,376 and 7,976,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,376 : 7,976,984 = 7,976,984 : x
2. Step 2: Convert to fraction form
   3,645,376/7,976,984 = 7,976,984/x
3. Step 3: Cross multiply
   3,645,376x = 7,976,984 × 7,976,984
4. Step 4: Simplify right side
   3,645,376x = 63,632,273,736,256
5. Step 5: Solve for x
   x = 63,632,273,736,256/3,645,376
6. Step 6: Final answer
   x = 17,455,613.29