Finding the Third Proportional to 3,656,640 and 7,875,201

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,640 : 7,875,201 = 7,875,201 : x
2. Step 2: Convert to fraction form
   3,656,640/7,875,201 = 7,875,201/x
3. Step 3: Cross multiply
   3,656,640x = 7,875,201 × 7,875,201
4. Step 4: Simplify right side
   3,656,640x = 62,018,790,790,401
5. Step 5: Solve for x
   x = 62,018,790,790,401/3,656,640
6. Step 6: Final answer
   x = 16,960,595.19