Finding the Third Proportional to 538,981.50 and 1,173,585

Step by Step Solution

1. Step 1: Write the proportion equation
   538,981.50 : 1,173,585 = 1,173,585 : x
2. Step 2: Convert to fraction form
   538,981.50/1,173,585 = 1,173,585/x
3. Step 3: Cross multiply
   538,981.50x = 1,173,585 × 1,173,585
4. Step 4: Simplify right side
   538,981.50x = 1,377,301,752,225
5. Step 5: Solve for x
   x = 1,377,301,752,225/538,981.50
6. Step 6: Final answer
   x = 2,555,378.53