Finding the Third Proportional to 407,902 and 874,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,902 : 874,851.50 = 874,851.50 : x
2. Step 2: Convert to fraction form
   407,902/874,851.50 = 874,851.50/x
3. Step 3: Cross multiply
   407,902x = 874,851.50 × 874,851.50
4. Step 4: Simplify right side
   407,902x = 765,365,147,052.25
5. Step 5: Solve for x
   x = 765,365,147,052.25/407,902
6. Step 6: Final answer
   x = 1,876,345.66