Finding the Third Proportional to 438,286.50 and 943,155

Step by Step Solution

1. Step 1: Write the proportion equation
   438,286.50 : 943,155 = 943,155 : x
2. Step 2: Convert to fraction form
   438,286.50/943,155 = 943,155/x
3. Step 3: Cross multiply
   438,286.50x = 943,155 × 943,155
4. Step 4: Simplify right side
   438,286.50x = 889,541,354,025
5. Step 5: Solve for x
   x = 889,541,354,025/438,286.50
6. Step 6: Final answer
   x = 2,029,588.76