Finding the Third Proportional to 3,680,478 and 8,043,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,478 : 8,043,300 = 8,043,300 : x
2. Step 2: Convert to fraction form
   3,680,478/8,043,300 = 8,043,300/x
3. Step 3: Cross multiply
   3,680,478x = 8,043,300 × 8,043,300
4. Step 4: Simplify right side
   3,680,478x = 64,694,674,890,000
5. Step 5: Solve for x
   x = 64,694,674,890,000/3,680,478
6. Step 6: Final answer
   x = 17,577,791.50