Finding the Third Proportional to 1,187,816 and 2,590,030

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,816 : 2,590,030 = 2,590,030 : x
2. Step 2: Convert to fraction form
   1,187,816/2,590,030 = 2,590,030/x
3. Step 3: Cross multiply
   1,187,816x = 2,590,030 × 2,590,030
4. Step 4: Simplify right side
   1,187,816x = 6,708,255,400,900
5. Step 5: Solve for x
   x = 6,708,255,400,900/1,187,816
6. Step 6: Final answer
   x = 5,647,554.34