Finding the Third Proportional to 430,786.50 and 939,906

Step by Step Solution

1. Step 1: Write the proportion equation
   430,786.50 : 939,906 = 939,906 : x
2. Step 2: Convert to fraction form
   430,786.50/939,906 = 939,906/x
3. Step 3: Cross multiply
   430,786.50x = 939,906 × 939,906
4. Step 4: Simplify right side
   430,786.50x = 883,423,288,836
5. Step 5: Solve for x
   x = 883,423,288,836/430,786.50
6. Step 6: Final answer
   x = 2,050,721.85