Finding the Third Proportional to 572,467.50 and 858,774

Step by Step Solution

1. Step 1: Write the proportion equation
   572,467.50 : 858,774 = 858,774 : x
2. Step 2: Convert to fraction form
   572,467.50/858,774 = 858,774/x
3. Step 3: Cross multiply
   572,467.50x = 858,774 × 858,774
4. Step 4: Simplify right side
   572,467.50x = 737,492,783,076
5. Step 5: Solve for x
   x = 737,492,783,076/572,467.50
6. Step 6: Final answer
   x = 1,288,270.13