Finding the Third Proportional to 407,934 and 874,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,934 : 874,921.50 = 874,921.50 : x
2. Step 2: Convert to fraction form
   407,934/874,921.50 = 874,921.50/x
3. Step 3: Cross multiply
   407,934x = 874,921.50 × 874,921.50
4. Step 4: Simplify right side
   407,934x = 765,487,631,162.25
5. Step 5: Solve for x
   x = 765,487,631,162.25/407,934
6. Step 6: Final answer
   x = 1,876,498.73