Finding the Third Proportional to 3,997,402 and 5,697,161

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997,402 : 5,697,161 = 5,697,161 : x
2. Step 2: Convert to fraction form
   3,997,402/5,697,161 = 5,697,161/x
3. Step 3: Cross multiply
   3,997,402x = 5,697,161 × 5,697,161
4. Step 4: Simplify right side
   3,997,402x = 32,457,643,459,921
5. Step 5: Solve for x
   x = 32,457,643,459,921/3,997,402
6. Step 6: Final answer
   x = 8,119,684.60