Finding the Third Proportional to 3,685,284 and 7,974,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,284 : 7,974,216 = 7,974,216 : x
2. Step 2: Convert to fraction form
   3,685,284/7,974,216 = 7,974,216/x
3. Step 3: Cross multiply
   3,685,284x = 7,974,216 × 7,974,216
4. Step 4: Simplify right side
   3,685,284x = 63,588,120,814,656
5. Step 5: Solve for x
   x = 63,588,120,814,656/3,685,284
6. Step 6: Final answer
   x = 17,254,605.29