Finding the Third Proportional to 221,402 and 475,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,402 : 475,055.50 = 475,055.50 : x
2. Step 2: Convert to fraction form
   221,402/475,055.50 = 475,055.50/x
3. Step 3: Cross multiply
   221,402x = 475,055.50 × 475,055.50
4. Step 4: Simplify right side
   221,402x = 225,677,728,080.25
5. Step 5: Solve for x
   x = 225,677,728,080.25/221,402
6. Step 6: Final answer
   x = 1,019,312.06