Finding the Third Proportional to 358,821 and 845,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,821 : 845,841.50 = 845,841.50 : x
2. Step 2: Convert to fraction form
   358,821/845,841.50 = 845,841.50/x
3. Step 3: Cross multiply
   358,821x = 845,841.50 × 845,841.50
4. Step 4: Simplify right side
   358,821x = 715,447,843,122.25
5. Step 5: Solve for x
   x = 715,447,843,122.25/358,821
6. Step 6: Final answer
   x = 1,993,885.09