Finding the Third Proportional to 1,157,386 and 2,535,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,386 : 2,535,440 = 2,535,440 : x
2. Step 2: Convert to fraction form
   1,157,386/2,535,440 = 2,535,440/x
3. Step 3: Cross multiply
   1,157,386x = 2,535,440 × 2,535,440
4. Step 4: Simplify right side
   1,157,386x = 6,428,455,993,600
5. Step 5: Solve for x
   x = 6,428,455,993,600/1,157,386
6. Step 6: Final answer
   x = 5,554,288.71