Finding the Third Proportional to 405,571.50 and 938,871

Step by Step Solution

1. Step 1: Write the proportion equation
   405,571.50 : 938,871 = 938,871 : x
2. Step 2: Convert to fraction form
   405,571.50/938,871 = 938,871/x
3. Step 3: Cross multiply
   405,571.50x = 938,871 × 938,871
4. Step 4: Simplify right side
   405,571.50x = 881,478,754,641
5. Step 5: Solve for x
   x = 881,478,754,641/405,571.50
6. Step 6: Final answer
   x = 2,173,423.81