Finding the Third Proportional to 675,837 and 912,265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   675,837 : 912,265.50 = 912,265.50 : x
2. Step 2: Convert to fraction form
   675,837/912,265.50 = 912,265.50/x
3. Step 3: Cross multiply
   675,837x = 912,265.50 × 912,265.50
4. Step 4: Simplify right side
   675,837x = 832,228,342,490.25
5. Step 5: Solve for x
   x = 832,228,342,490.25/675,837
6. Step 6: Final answer
   x = 1,231,403.94