Finding the Third Proportional to 3,658,298 and 5,434,388

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,298 : 5,434,388 = 5,434,388 : x
2. Step 2: Convert to fraction form
   3,658,298/5,434,388 = 5,434,388/x
3. Step 3: Cross multiply
   3,658,298x = 5,434,388 × 5,434,388
4. Step 4: Simplify right side
   3,658,298x = 29,532,572,934,544
5. Step 5: Solve for x
   x = 29,532,572,934,544/3,658,298
6. Step 6: Final answer
   x = 8,072,763.05