Finding the Third Proportional to 456,069 and 978,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,069 : 978,556.50 = 978,556.50 : x
2. Step 2: Convert to fraction form
   456,069/978,556.50 = 978,556.50/x
3. Step 3: Cross multiply
   456,069x = 978,556.50 × 978,556.50
4. Step 4: Simplify right side
   456,069x = 957,572,823,692.25
5. Step 5: Solve for x
   x = 957,572,823,692.25/456,069
6. Step 6: Final answer
   x = 2,099,622.70