Finding the Third Proportional to 2,572,209 and 3,697,167

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,209 : 3,697,167 = 3,697,167 : x
2. Step 2: Convert to fraction form
   2,572,209/3,697,167 = 3,697,167/x
3. Step 3: Cross multiply
   2,572,209x = 3,697,167 × 3,697,167
4. Step 4: Simplify right side
   2,572,209x = 13,669,043,825,889
5. Step 5: Solve for x
   x = 13,669,043,825,889/2,572,209
6. Step 6: Final answer
   x = 5,314,126.43