Finding the Third Proportional to 2,572,207.31 and 3,697,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,207.31 : 3,697,164 = 3,697,164 : x
2. Step 2: Convert to fraction form
   2,572,207.31/3,697,164 = 3,697,164/x
3. Step 3: Cross multiply
   2,572,207.31x = 3,697,164 × 3,697,164
4. Step 4: Simplify right side
   2,572,207.31x = 13,669,021,642,896
5. Step 5: Solve for x
   x = 13,669,021,642,896/2,572,207.31
6. Step 6: Final answer
   x = 5,314,121.29