Finding the Third Proportional to 405,297 and 881,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,297 : 881,944.50 = 881,944.50 : x
2. Step 2: Convert to fraction form
   405,297/881,944.50 = 881,944.50/x
3. Step 3: Cross multiply
   405,297x = 881,944.50 × 881,944.50
4. Step 4: Simplify right side
   405,297x = 777,826,101,080.25
5. Step 5: Solve for x
   x = 777,826,101,080.25/405,297
6. Step 6: Final answer
   x = 1,919,150.90