Finding the Third Proportional to 3,680,517 and 8,043,372

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,517 : 8,043,372 = 8,043,372 : x
2. Step 2: Convert to fraction form
   3,680,517/8,043,372 = 8,043,372/x
3. Step 3: Cross multiply
   3,680,517x = 8,043,372 × 8,043,372
4. Step 4: Simplify right side
   3,680,517x = 64,695,833,130,384
5. Step 5: Solve for x
   x = 64,695,833,130,384/3,680,517
6. Step 6: Final answer
   x = 17,577,919.93