Finding the Third Proportional to 388,248 and 795,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,248 : 795,322.50 = 795,322.50 : x
2. Step 2: Convert to fraction form
   388,248/795,322.50 = 795,322.50/x
3. Step 3: Cross multiply
   388,248x = 795,322.50 × 795,322.50
4. Step 4: Simplify right side
   388,248x = 632,537,879,006.25
5. Step 5: Solve for x
   x = 632,537,879,006.25/388,248
6. Step 6: Final answer
   x = 1,629,210.91