Finding the Third Proportional to 1,483,290 and 3,238,407

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483,290 : 3,238,407 = 3,238,407 : x
2. Step 2: Convert to fraction form
   1,483,290/3,238,407 = 3,238,407/x
3. Step 3: Cross multiply
   1,483,290x = 3,238,407 × 3,238,407
4. Step 4: Simplify right side
   1,483,290x = 10,487,279,897,649
5. Step 5: Solve for x
   x = 10,487,279,897,649/1,483,290
6. Step 6: Final answer
   x = 7,070,282.88