Finding the Third Proportional to 405,227 and 881,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,227 : 881,805.50 = 881,805.50 : x
2. Step 2: Convert to fraction form
   405,227/881,805.50 = 881,805.50/x
3. Step 3: Cross multiply
   405,227x = 881,805.50 × 881,805.50
4. Step 4: Simplify right side
   405,227x = 777,580,939,830.25
5. Step 5: Solve for x
   x = 777,580,939,830.25/405,227
6. Step 6: Final answer
   x = 1,918,877.42