Finding the Third Proportional to 1,637,840 and 3,543,951

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,840 : 3,543,951 = 3,543,951 : x
2. Step 2: Convert to fraction form
   1,637,840/3,543,951 = 3,543,951/x
3. Step 3: Cross multiply
   1,637,840x = 3,543,951 × 3,543,951
4. Step 4: Simplify right side
   1,637,840x = 12,559,588,690,401
5. Step 5: Solve for x
   x = 12,559,588,690,401/1,637,840
6. Step 6: Final answer
   x = 7,668,385.61