Finding the Third Proportional to 3,680,530 and 8,043,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,530 : 8,043,398 = 8,043,398 : x
2. Step 2: Convert to fraction form
   3,680,530/8,043,398 = 8,043,398/x
3. Step 3: Cross multiply
   3,680,530x = 8,043,398 × 8,043,398
4. Step 4: Simplify right side
   3,680,530x = 64,696,251,386,404
5. Step 5: Solve for x
   x = 64,696,251,386,404/3,680,530
6. Step 6: Final answer
   x = 17,577,971.48