Finding the Third Proportional to 428,854.50 and 932,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   428,854.50 : 932,408.72 = 932,408.72 : x
2. Step 2: Convert to fraction form
   428,854.50/932,408.72 = 932,408.72/x
3. Step 3: Cross multiply
   428,854.50x = 932,408.72 × 932,408.72
4. Step 4: Simplify right side
   428,854.50x = 869,386,018,801.02
5. Step 5: Solve for x
   x = 869,386,018,801.02/428,854.50
6. Step 6: Final answer
   x = 2,027,228.39