Finding the Third Proportional to 1,187,820 and 2,590,038

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,820 : 2,590,038 = 2,590,038 : x
2. Step 2: Convert to fraction form
   1,187,820/2,590,038 = 2,590,038/x
3. Step 3: Cross multiply
   1,187,820x = 2,590,038 × 2,590,038
4. Step 4: Simplify right side
   1,187,820x = 6,708,296,841,444
5. Step 5: Solve for x
   x = 6,708,296,841,444/1,187,820
6. Step 6: Final answer
   x = 5,647,570.21