Finding the Third Proportional to 294,242.50 and 623,794

Step by Step Solution

1. Step 1: Write the proportion equation
   294,242.50 : 623,794 = 623,794 : x
2. Step 2: Convert to fraction form
   294,242.50/623,794 = 623,794/x
3. Step 3: Cross multiply
   294,242.50x = 623,794 × 623,794
4. Step 4: Simplify right side
   294,242.50x = 389,118,954,436
5. Step 5: Solve for x
   x = 389,118,954,436/294,242.50
6. Step 6: Final answer
   x = 1,322,443.07