Finding the Third Proportional to 1,287,399 and 2,038,113

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,399 : 2,038,113 = 2,038,113 : x
2. Step 2: Convert to fraction form
   1,287,399/2,038,113 = 2,038,113/x
3. Step 3: Cross multiply
   1,287,399x = 2,038,113 × 2,038,113
4. Step 4: Simplify right side
   1,287,399x = 4,153,904,600,769
5. Step 5: Solve for x
   x = 4,153,904,600,769/1,287,399
6. Step 6: Final answer
   x = 3,226,586.79