Finding the Third Proportional to 215,136 and 472,732

Step by Step Solution

1. Step 1: Write the proportion equation
   215,136 : 472,732 = 472,732 : x
2. Step 2: Convert to fraction form
   215,136/472,732 = 472,732/x
3. Step 3: Cross multiply
   215,136x = 472,732 × 472,732
4. Step 4: Simplify right side
   215,136x = 223,475,543,824
5. Step 5: Solve for x
   x = 223,475,543,824/215,136
6. Step 6: Final answer
   x = 1,038,764.06