Finding the Third Proportional to 221,152.78 and 483,709.06

Step by Step Solution

1. Step 1: Write the proportion equation
   221,152.78 : 483,709.06 = 483,709.06 : x
2. Step 2: Convert to fraction form
   221,152.78/483,709.06 = 483,709.06/x
3. Step 3: Cross multiply
   221,152.78x = 483,709.06 × 483,709.06
4. Step 4: Simplify right side
   221,152.78x = 233,974,455,255.15
5. Step 5: Solve for x
   x = 233,974,455,255.15/221,152.78
6. Step 6: Final answer
   x = 1,057,976.54