Finding the Third Proportional to 3,997,400 and 5,697,158

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997,400 : 5,697,158 = 5,697,158 : x
2. Step 2: Convert to fraction form
   3,997,400/5,697,158 = 5,697,158/x
3. Step 3: Cross multiply
   3,997,400x = 5,697,158 × 5,697,158
4. Step 4: Simplify right side
   3,997,400x = 32,457,609,276,964
5. Step 5: Solve for x
   x = 32,457,609,276,964/3,997,400
6. Step 6: Final answer
   x = 8,119,680.11