Finding the Third Proportional to 557,202 and 837,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   557,202 : 837,058.50 = 837,058.50 : x
2. Step 2: Convert to fraction form
   557,202/837,058.50 = 837,058.50/x
3. Step 3: Cross multiply
   557,202x = 837,058.50 × 837,058.50
4. Step 4: Simplify right side
   557,202x = 700,666,932,422.25
5. Step 5: Solve for x
   x = 700,666,932,422.25/557,202
6. Step 6: Final answer
   x = 1,257,473.83