Finding the Third Proportional to 872,401.50 and 1,178,408.25

Step by Step Solution

1. Step 1: Write the proportion equation
   872,401.50 : 1,178,408.25 = 1,178,408.25 : x
2. Step 2: Convert to fraction form
   872,401.50/1,178,408.25 = 1,178,408.25/x
3. Step 3: Cross multiply
   872,401.50x = 1,178,408.25 × 1,178,408.25
4. Step 4: Simplify right side
   872,401.50x = 1,388,646,003,668.06
5. Step 5: Solve for x
   x = 1,388,646,003,668.06/872,401.50
6. Step 6: Final answer
   x = 1,591,751.05