Finding the Third Proportional to 552,384 and 873,308

Step by Step Solution

1. Step 1: Write the proportion equation
   552,384 : 873,308 = 873,308 : x
2. Step 2: Convert to fraction form
   552,384/873,308 = 873,308/x
3. Step 3: Cross multiply
   552,384x = 873,308 × 873,308
4. Step 4: Simplify right side
   552,384x = 762,666,862,864
5. Step 5: Solve for x
   x = 762,666,862,864/552,384
6. Step 6: Final answer
   x = 1,380,682.39