Finding the Third Proportional to 405,241 and 938,061

Step by Step Solution

1. Step 1: Write the proportion equation
   405,241 : 938,061 = 938,061 : x
2. Step 2: Convert to fraction form
   405,241/938,061 = 938,061/x
3. Step 3: Cross multiply
   405,241x = 938,061 × 938,061
4. Step 4: Simplify right side
   405,241x = 879,958,439,721
5. Step 5: Solve for x
   x = 879,958,439,721/405,241
6. Step 6: Final answer
   x = 2,171,444.74