Finding the Third Proportional to 680,780.25 and 925,020

Step by Step Solution

1. Step 1: Write the proportion equation
   680,780.25 : 925,020 = 925,020 : x
2. Step 2: Convert to fraction form
   680,780.25/925,020 = 925,020/x
3. Step 3: Cross multiply
   680,780.25x = 925,020 × 925,020
4. Step 4: Simplify right side
   680,780.25x = 855,662,000,400
5. Step 5: Solve for x
   x = 855,662,000,400/680,780.25
6. Step 6: Final answer
   x = 1,256,884.29