Finding the Third Proportional to 1,909,716 and 4,016,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909,716 : 4,016,040 = 4,016,040 : x
2. Step 2: Convert to fraction form
   1,909,716/4,016,040 = 4,016,040/x
3. Step 3: Cross multiply
   1,909,716x = 4,016,040 × 4,016,040
4. Step 4: Simplify right side
   1,909,716x = 16,128,577,281,600
5. Step 5: Solve for x
   x = 16,128,577,281,600/1,909,716
6. Step 6: Final answer
   x = 8,445,537.08