Finding the Third Proportional to 3,298,138 and 5,045,291

Step by Step Solution

1. Step 1: Write the proportion equation
   3,298,138 : 5,045,291 = 5,045,291 : x
2. Step 2: Convert to fraction form
   3,298,138/5,045,291 = 5,045,291/x
3. Step 3: Cross multiply
   3,298,138x = 5,045,291 × 5,045,291
4. Step 4: Simplify right side
   3,298,138x = 25,454,961,274,681
5. Step 5: Solve for x
   x = 25,454,961,274,681/3,298,138
6. Step 6: Final answer
   x = 7,717,979.44