Finding the Third Proportional to 1,111,603.50 and 2,391,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,603.50 : 2,391,727.50 = 2,391,727.50 : x
2. Step 2: Convert to fraction form
   1,111,603.50/2,391,727.50 = 2,391,727.50/x
3. Step 3: Cross multiply
   1,111,603.50x = 2,391,727.50 × 2,391,727.50
4. Step 4: Simplify right side
   1,111,603.50x = 5,720,360,434,256.25
5. Step 5: Solve for x
   x = 5,720,360,434,256.25/1,111,603.50
6. Step 6: Final answer
   x = 5,146,043.92