Finding the Third Proportional to 1,909,142 and 4,117,018

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909,142 : 4,117,018 = 4,117,018 : x
2. Step 2: Convert to fraction form
   1,909,142/4,117,018 = 4,117,018/x
3. Step 3: Cross multiply
   1,909,142x = 4,117,018 × 4,117,018
4. Step 4: Simplify right side
   1,909,142x = 16,949,837,212,324
5. Step 5: Solve for x
   x = 16,949,837,212,324/1,909,142
6. Step 6: Final answer
   x = 8,878,248.56