Finding the Third Proportional to 416,719 and 622,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,719 : 622,333.50 = 622,333.50 : x
2. Step 2: Convert to fraction form
   416,719/622,333.50 = 622,333.50/x
3. Step 3: Cross multiply
   416,719x = 622,333.50 × 622,333.50
4. Step 4: Simplify right side
   416,719x = 387,298,985,222.25
5. Step 5: Solve for x
   x = 387,298,985,222.25/416,719
6. Step 6: Final answer
   x = 929,400.83