Finding the Third Proportional to 838,174 and 1,810,267

Step by Step Solution

1. Step 1: Write the proportion equation
   838,174 : 1,810,267 = 1,810,267 : x
2. Step 2: Convert to fraction form
   838,174/1,810,267 = 1,810,267/x
3. Step 3: Cross multiply
   838,174x = 1,810,267 × 1,810,267
4. Step 4: Simplify right side
   838,174x = 3,277,066,611,289
5. Step 5: Solve for x
   x = 3,277,066,611,289/838,174
6. Step 6: Final answer
   x = 3,909,768.87