Finding the Third Proportional to 438,398.50 and 942,305

Step by Step Solution

1. Step 1: Write the proportion equation
   438,398.50 : 942,305 = 942,305 : x
2. Step 2: Convert to fraction form
   438,398.50/942,305 = 942,305/x
3. Step 3: Cross multiply
   438,398.50x = 942,305 × 942,305
4. Step 4: Simplify right side
   438,398.50x = 887,938,713,025
5. Step 5: Solve for x
   x = 887,938,713,025/438,398.50
6. Step 6: Final answer
   x = 2,025,414.58