Finding the Third Proportional to 552,558 and 825,426.75

Step by Step Solution

1. Step 1: Write the proportion equation
   552,558 : 825,426.75 = 825,426.75 : x
2. Step 2: Convert to fraction form
   552,558/825,426.75 = 825,426.75/x
3. Step 3: Cross multiply
   552,558x = 825,426.75 × 825,426.75
4. Step 4: Simplify right side
   552,558x = 681,329,319,615.56
5. Step 5: Solve for x
   x = 681,329,319,615.56/552,558
6. Step 6: Final answer
   x = 1,233,045.80