Finding the Third Proportional to 1,806,859 and 2,642,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,859 : 2,642,308 = 2,642,308 : x
2. Step 2: Convert to fraction form
   1,806,859/2,642,308 = 2,642,308/x
3. Step 3: Cross multiply
   1,806,859x = 2,642,308 × 2,642,308
4. Step 4: Simplify right side
   1,806,859x = 6,981,791,566,864
5. Step 5: Solve for x
   x = 6,981,791,566,864/1,806,859
6. Step 6: Final answer
   x = 3,864,048.92