Finding the Third Proportional to 428,388.50 and 940,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   428,388.50 : 940,838.50 = 940,838.50 : x
2. Step 2: Convert to fraction form
   428,388.50/940,838.50 = 940,838.50/x
3. Step 3: Cross multiply
   428,388.50x = 940,838.50 × 940,838.50
4. Step 4: Simplify right side
   428,388.50x = 885,177,083,082.25
5. Step 5: Solve for x
   x = 885,177,083,082.25/428,388.50
6. Step 6: Final answer
   x = 2,066,295.16