Finding the Third Proportional to 3,787,964 and 8,284,516

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787,964 : 8,284,516 = 8,284,516 : x
2. Step 2: Convert to fraction form
   3,787,964/8,284,516 = 8,284,516/x
3. Step 3: Cross multiply
   3,787,964x = 8,284,516 × 8,284,516
4. Step 4: Simplify right side
   3,787,964x = 68,633,205,354,256
5. Step 5: Solve for x
   x = 68,633,205,354,256/3,787,964
6. Step 6: Final answer
   x = 18,118,758.61