Finding the Third Proportional to 622,356 and 851,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   622,356 : 851,734.50 = 851,734.50 : x
2. Step 2: Convert to fraction form
   622,356/851,734.50 = 851,734.50/x
3. Step 3: Cross multiply
   622,356x = 851,734.50 × 851,734.50
4. Step 4: Simplify right side
   622,356x = 725,451,658,490.25
5. Step 5: Solve for x
   x = 725,451,658,490.25/622,356
6. Step 6: Final answer
   x = 1,165,653.84