Finding the Third Proportional to 3,638,303 and 5,457,000

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,303 : 5,457,000 = 5,457,000 : x
2. Step 2: Convert to fraction form
   3,638,303/5,457,000 = 5,457,000/x
3. Step 3: Cross multiply
   3,638,303x = 5,457,000 × 5,457,000
4. Step 4: Simplify right side
   3,638,303x = 29,778,849,000,000
5. Step 5: Solve for x
   x = 29,778,849,000,000/3,638,303
6. Step 6: Final answer
   x = 8,184,818.31