Finding the Third Proportional to 622,899 and 934,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   622,899 : 934,339.50 = 934,339.50 : x
2. Step 2: Convert to fraction form
   622,899/934,339.50 = 934,339.50/x
3. Step 3: Cross multiply
   622,899x = 934,339.50 × 934,339.50
4. Step 4: Simplify right side
   622,899x = 872,990,301,260.25
5. Step 5: Solve for x
   x = 872,990,301,260.25/622,899
6. Step 6: Final answer
   x = 1,401,495.75