Finding the Third Proportional to 424,935 and 622,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,935 : 622,093.50 = 622,093.50 : x
2. Step 2: Convert to fraction form
   424,935/622,093.50 = 622,093.50/x
3. Step 3: Cross multiply
   424,935x = 622,093.50 × 622,093.50
4. Step 4: Simplify right side
   424,935x = 387,000,322,742.25
5. Step 5: Solve for x
   x = 387,000,322,742.25/424,935
6. Step 6: Final answer
   x = 910,728.28