Finding the Third Proportional to 419,737.78 and 899,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   419,737.78 : 899,360.72 = 899,360.72 : x
2. Step 2: Convert to fraction form
   419,737.78/899,360.72 = 899,360.72/x
3. Step 3: Cross multiply
   419,737.78x = 899,360.72 × 899,360.72
4. Step 4: Simplify right side
   419,737.78x = 808,849,702,430.52
5. Step 5: Solve for x
   x = 808,849,702,430.52/419,737.78
6. Step 6: Final answer
   x = 1,927,035.73