Finding the Third Proportional to 400,054.50 and 874,797

Step by Step Solution

1. Step 1: Write the proportion equation
   400,054.50 : 874,797 = 874,797 : x
2. Step 2: Convert to fraction form
   400,054.50/874,797 = 874,797/x
3. Step 3: Cross multiply
   400,054.50x = 874,797 × 874,797
4. Step 4: Simplify right side
   400,054.50x = 765,269,791,209
5. Step 5: Solve for x
   x = 765,269,791,209/400,054.50
6. Step 6: Final answer
   x = 1,912,913.84