Finding the Third Proportional to 3,454,293 and 5,418,090

Step by Step Solution

1. Step 1: Write the proportion equation
   3,454,293 : 5,418,090 = 5,418,090 : x
2. Step 2: Convert to fraction form
   3,454,293/5,418,090 = 5,418,090/x
3. Step 3: Cross multiply
   3,454,293x = 5,418,090 × 5,418,090
4. Step 4: Simplify right side
   3,454,293x = 29,355,699,248,100
5. Step 5: Solve for x
   x = 29,355,699,248,100/3,454,293
6. Step 6: Final answer
   x = 8,498,323.46