Finding the Third Proportional to 560,772 and 840,951.75

Step by Step Solution

1. Step 1: Write the proportion equation
   560,772 : 840,951.75 = 840,951.75 : x
2. Step 2: Convert to fraction form
   560,772/840,951.75 = 840,951.75/x
3. Step 3: Cross multiply
   560,772x = 840,951.75 × 840,951.75
4. Step 4: Simplify right side
   560,772x = 707,199,845,828.06
5. Step 5: Solve for x
   x = 707,199,845,828.06/560,772
6. Step 6: Final answer
   x = 1,261,118.33