Finding the Third Proportional to 680,803.50 and 925,056

Step by Step Solution

1. Step 1: Write the proportion equation
   680,803.50 : 925,056 = 925,056 : x
2. Step 2: Convert to fraction form
   680,803.50/925,056 = 925,056/x
3. Step 3: Cross multiply
   680,803.50x = 925,056 × 925,056
4. Step 4: Simplify right side
   680,803.50x = 855,728,603,136
5. Step 5: Solve for x
   x = 855,728,603,136/680,803.50
6. Step 6: Final answer
   x = 1,256,939.19