Finding the Third Proportional to 210,254 and 473,144

Step by Step Solution

1. Step 1: Write the proportion equation
   210,254 : 473,144 = 473,144 : x
2. Step 2: Convert to fraction form
   210,254/473,144 = 473,144/x
3. Step 3: Cross multiply
   210,254x = 473,144 × 473,144
4. Step 4: Simplify right side
   210,254x = 223,865,244,736
5. Step 5: Solve for x
   x = 223,865,244,736/210,254
6. Step 6: Final answer
   x = 1,064,737.15