Finding the Third Proportional to 404,779.50 and 871,853.63

Step by Step Solution

1. Step 1: Write the proportion equation
   404,779.50 : 871,853.63 = 871,853.63 : x
2. Step 2: Convert to fraction form
   404,779.50/871,853.63 = 871,853.63/x
3. Step 3: Cross multiply
   404,779.50x = 871,853.63 × 871,853.63
4. Step 4: Simplify right side
   404,779.50x = 760,128,743,425.64
5. Step 5: Solve for x
   x = 760,128,743,425.64/404,779.50
6. Step 6: Final answer
   x = 1,877,883.50