Finding the Third Proportional to 799,840 and 1,888,138

Step by Step Solution

1. Step 1: Write the proportion equation
   799,840 : 1,888,138 = 1,888,138 : x
2. Step 2: Convert to fraction form
   799,840/1,888,138 = 1,888,138/x
3. Step 3: Cross multiply
   799,840x = 1,888,138 × 1,888,138
4. Step 4: Simplify right side
   799,840x = 3,565,065,107,044
5. Step 5: Solve for x
   x = 3,565,065,107,044/799,840
6. Step 6: Final answer
   x = 4,457,222.83