Finding the Third Proportional to 218,356 and 477,444

Step by Step Solution

1. Step 1: Write the proportion equation
   218,356 : 477,444 = 477,444 : x
2. Step 2: Convert to fraction form
   218,356/477,444 = 477,444/x
3. Step 3: Cross multiply
   218,356x = 477,444 × 477,444
4. Step 4: Simplify right side
   218,356x = 227,952,773,136
5. Step 5: Solve for x
   x = 227,952,773,136/218,356
6. Step 6: Final answer
   x = 1,043,950.12