Finding the Third Proportional to 2,038,890 and 3,239,139

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038,890 : 3,239,139 = 3,239,139 : x
2. Step 2: Convert to fraction form
   2,038,890/3,239,139 = 3,239,139/x
3. Step 3: Cross multiply
   2,038,890x = 3,239,139 × 3,239,139
4. Step 4: Simplify right side
   2,038,890x = 10,492,021,461,321
5. Step 5: Solve for x
   x = 10,492,021,461,321/2,038,890
6. Step 6: Final answer
   x = 5,145,947.78