Finding the Third Proportional to 1,263,551 and 1,806,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,551 : 1,806,890 = 1,806,890 : x
2. Step 2: Convert to fraction form
   1,263,551/1,806,890 = 1,806,890/x
3. Step 3: Cross multiply
   1,263,551x = 1,806,890 × 1,806,890
4. Step 4: Simplify right side
   1,263,551x = 3,264,851,472,100
5. Step 5: Solve for x
   x = 3,264,851,472,100/1,263,551
6. Step 6: Final answer
   x = 2,583,869.96