Finding the Third Proportional to 358,813 and 845,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,813 : 845,822.50 = 845,822.50 : x
2. Step 2: Convert to fraction form
   358,813/845,822.50 = 845,822.50/x
3. Step 3: Cross multiply
   358,813x = 845,822.50 × 845,822.50
4. Step 4: Simplify right side
   358,813x = 715,415,701,506.25
5. Step 5: Solve for x
   x = 715,415,701,506.25/358,813
6. Step 6: Final answer
   x = 1,993,839.97