Finding the Third Proportional to 1,000,751 and 2,188,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,751 : 2,188,396 = 2,188,396 : x
2. Step 2: Convert to fraction form
   1,000,751/2,188,396 = 2,188,396/x
3. Step 3: Cross multiply
   1,000,751x = 2,188,396 × 2,188,396
4. Step 4: Simplify right side
   1,000,751x = 4,789,077,052,816
5. Step 5: Solve for x
   x = 4,789,077,052,816/1,000,751
6. Step 6: Final answer
   x = 4,785,483.15