Finding the Third Proportional to 583,670 and 1,278,056

Step by Step Solution

1. Step 1: Write the proportion equation
   583,670 : 1,278,056 = 1,278,056 : x
2. Step 2: Convert to fraction form
   583,670/1,278,056 = 1,278,056/x
3. Step 3: Cross multiply
   583,670x = 1,278,056 × 1,278,056
4. Step 4: Simplify right side
   583,670x = 1,633,427,139,136
5. Step 5: Solve for x
   x = 1,633,427,139,136/583,670
6. Step 6: Final answer
   x = 2,798,545.65