Finding the Third Proportional to 1,257,632 and 1,777,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,632 : 1,777,808 = 1,777,808 : x
2. Step 2: Convert to fraction form
   1,257,632/1,777,808 = 1,777,808/x
3. Step 3: Cross multiply
   1,257,632x = 1,777,808 × 1,777,808
4. Step 4: Simplify right side
   1,257,632x = 3,160,601,284,864
5. Step 5: Solve for x
   x = 3,160,601,284,864/1,257,632
6. Step 6: Final answer
   x = 2,513,136.82