Finding the Third Proportional to 422,596.50 and 939,681

Step by Step Solution

1. Step 1: Write the proportion equation
   422,596.50 : 939,681 = 939,681 : x
2. Step 2: Convert to fraction form
   422,596.50/939,681 = 939,681/x
3. Step 3: Cross multiply
   422,596.50x = 939,681 × 939,681
4. Step 4: Simplify right side
   422,596.50x = 883,000,381,761
5. Step 5: Solve for x
   x = 883,000,381,761/422,596.50
6. Step 6: Final answer
   x = 2,089,464.49