Finding the Third Proportional to 438,163 and 897,061

Step by Step Solution

1. Step 1: Write the proportion equation
   438,163 : 897,061 = 897,061 : x
2. Step 2: Convert to fraction form
   438,163/897,061 = 897,061/x
3. Step 3: Cross multiply
   438,163x = 897,061 × 897,061
4. Step 4: Simplify right side
   438,163x = 804,718,437,721
5. Step 5: Solve for x
   x = 804,718,437,721/438,163
6. Step 6: Final answer
   x = 1,836,573.23