Finding the Third Proportional to 478,116 and 1,040,347

Step by Step Solution

1. Step 1: Write the proportion equation
   478,116 : 1,040,347 = 1,040,347 : x
2. Step 2: Convert to fraction form
   478,116/1,040,347 = 1,040,347/x
3. Step 3: Cross multiply
   478,116x = 1,040,347 × 1,040,347
4. Step 4: Simplify right side
   478,116x = 1,082,321,880,409
5. Step 5: Solve for x
   x = 1,082,321,880,409/478,116
6. Step 6: Final answer
   x = 2,263,722.36