Finding the Third Proportional to 405,569.25 and 938,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,569.25 : 938,866.50 = 938,866.50 : x
2. Step 2: Convert to fraction form
   405,569.25/938,866.50 = 938,866.50/x
3. Step 3: Cross multiply
   405,569.25x = 938,866.50 × 938,866.50
4. Step 4: Simplify right side
   405,569.25x = 881,470,304,822.25
5. Step 5: Solve for x
   x = 881,470,304,822.25/405,569.25
6. Step 6: Final answer
   x = 2,173,415.03