Finding the Third Proportional to 1,999,484 and 4,294,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,999,484 : 4,294,456 = 4,294,456 : x
2. Step 2: Convert to fraction form
   1,999,484/4,294,456 = 4,294,456/x
3. Step 3: Cross multiply
   1,999,484x = 4,294,456 × 4,294,456
4. Step 4: Simplify right side
   1,999,484x = 18,442,352,335,936
5. Step 5: Solve for x
   x = 18,442,352,335,936/1,999,484
6. Step 6: Final answer
   x = 9,223,555.85