Finding the Third Proportional to 405,224 and 881,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,224 : 881,799.50 = 881,799.50 : x
2. Step 2: Convert to fraction form
   405,224/881,799.50 = 881,799.50/x
3. Step 3: Cross multiply
   405,224x = 881,799.50 × 881,799.50
4. Step 4: Simplify right side
   405,224x = 777,570,358,200.25
5. Step 5: Solve for x
   x = 777,570,358,200.25/405,224
6. Step 6: Final answer
   x = 1,918,865.51