Finding the Third Proportional to 804,856.50 and 1,128,078

Step by Step Solution

1. Step 1: Write the proportion equation
   804,856.50 : 1,128,078 = 1,128,078 : x
2. Step 2: Convert to fraction form
   804,856.50/1,128,078 = 1,128,078/x
3. Step 3: Cross multiply
   804,856.50x = 1,128,078 × 1,128,078
4. Step 4: Simplify right side
   804,856.50x = 1,272,559,974,084
5. Step 5: Solve for x
   x = 1,272,559,974,084/804,856.50
6. Step 6: Final answer
   x = 1,581,101.69