Finding the Third Proportional to 1,157,990 and 2,551,566

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,990 : 2,551,566 = 2,551,566 : x
2. Step 2: Convert to fraction form
   1,157,990/2,551,566 = 2,551,566/x
3. Step 3: Cross multiply
   1,157,990x = 2,551,566 × 2,551,566
4. Step 4: Simplify right side
   1,157,990x = 6,510,489,052,356
5. Step 5: Solve for x
   x = 6,510,489,052,356/1,157,990
6. Step 6: Final answer
   x = 5,622,232.53