Finding the Third Proportional to 3,859,947 and 8,249,985

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,947 : 8,249,985 = 8,249,985 : x
2. Step 2: Convert to fraction form
   3,859,947/8,249,985 = 8,249,985/x
3. Step 3: Cross multiply
   3,859,947x = 8,249,985 × 8,249,985
4. Step 4: Simplify right side
   3,859,947x = 68,062,252,500,225
5. Step 5: Solve for x
   x = 68,062,252,500,225/3,859,947
6. Step 6: Final answer
   x = 17,632,950.01