Finding the Third Proportional to 419,391.42 and 909,826.17

Step by Step Solution

1. Step 1: Write the proportion equation
   419,391.42 : 909,826.17 = 909,826.17 : x
2. Step 2: Convert to fraction form
   419,391.42/909,826.17 = 909,826.17/x
3. Step 3: Cross multiply
   419,391.42x = 909,826.17 × 909,826.17
4. Step 4: Simplify right side
   419,391.42x = 827,783,663,028.72
5. Step 5: Solve for x
   x = 827,783,663,028.72/419,391.42
6. Step 6: Final answer
   x = 1,973,773.47