Finding the Third Proportional to 560,393 and 875,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,393 : 875,584.50 = 875,584.50 : x
2. Step 2: Convert to fraction form
   560,393/875,584.50 = 875,584.50/x
3. Step 3: Cross multiply
   560,393x = 875,584.50 × 875,584.50
4. Step 4: Simplify right side
   560,393x = 766,648,216,640.25
5. Step 5: Solve for x
   x = 766,648,216,640.25/560,393
6. Step 6: Final answer
   x = 1,368,054.59