Finding the Third Proportional to 438,166 and 897,056

Step by Step Solution

1. Step 1: Write the proportion equation
   438,166 : 897,056 = 897,056 : x
2. Step 2: Convert to fraction form
   438,166/897,056 = 897,056/x
3. Step 3: Cross multiply
   438,166x = 897,056 × 897,056
4. Step 4: Simplify right side
   438,166x = 804,709,467,136
5. Step 5: Solve for x
   x = 804,709,467,136/438,166
6. Step 6: Final answer
   x = 1,836,540.19