Finding the Third Proportional to 221,085 and 473,709.38

Step by Step Solution

1. Step 1: Write the proportion equation
   221,085 : 473,709.38 = 473,709.38 : x
2. Step 2: Convert to fraction form
   221,085/473,709.38 = 473,709.38/x
3. Step 3: Cross multiply
   221,085x = 473,709.38 × 473,709.38
4. Step 4: Simplify right side
   221,085x = 224,400,571,962.89
5. Step 5: Solve for x
   x = 224,400,571,962.89/221,085
6. Step 6: Final answer
   x = 1,014,996.82