Finding the Third Proportional to 853,866 and 1,834,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   853,866 : 1,834,366.50 = 1,834,366.50 : x
2. Step 2: Convert to fraction form
   853,866/1,834,366.50 = 1,834,366.50/x
3. Step 3: Cross multiply
   853,866x = 1,834,366.50 × 1,834,366.50
4. Step 4: Simplify right side
   853,866x = 3,364,900,456,322.25
5. Step 5: Solve for x
   x = 3,364,900,456,322.25/853,866
6. Step 6: Final answer
   x = 3,940,782.81