Finding the Third Proportional to 295,513.50 and 648,300

Step by Step Solution

1. Step 1: Write the proportion equation
   295,513.50 : 648,300 = 648,300 : x
2. Step 2: Convert to fraction form
   295,513.50/648,300 = 648,300/x
3. Step 3: Cross multiply
   295,513.50x = 648,300 × 648,300
4. Step 4: Simplify right side
   295,513.50x = 420,292,890,000
5. Step 5: Solve for x
   x = 420,292,890,000/295,513.50
6. Step 6: Final answer
   x = 1,422,245.99