Finding the Third Proportional to 2,420,931.50 and 5,242,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420,931.50 : 5,242,650.50 = 5,242,650.50 : x
2. Step 2: Convert to fraction form
   2,420,931.50/5,242,650.50 = 5,242,650.50/x
3. Step 3: Cross multiply
   2,420,931.50x = 5,242,650.50 × 5,242,650.50
4. Step 4: Simplify right side
   2,420,931.50x = 27,485,384,265,150.25
5. Step 5: Solve for x
   x = 27,485,384,265,150.25/2,420,931.50
6. Step 6: Final answer
   x = 11,353,226.75