Finding the Third Proportional to 3,390,092 and 5,115,708

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,092 : 5,115,708 = 5,115,708 : x
2. Step 2: Convert to fraction form
   3,390,092/5,115,708 = 5,115,708/x
3. Step 3: Cross multiply
   3,390,092x = 5,115,708 × 5,115,708
4. Step 4: Simplify right side
   3,390,092x = 26,170,468,341,264
5. Step 5: Solve for x
   x = 26,170,468,341,264/3,390,092
6. Step 6: Final answer
   x = 7,719,692.66