Finding the Third Proportional to 423,086 and 881,163.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,086 : 881,163.50 = 881,163.50 : x
2. Step 2: Convert to fraction form
   423,086/881,163.50 = 881,163.50/x
3. Step 3: Cross multiply
   423,086x = 881,163.50 × 881,163.50
4. Step 4: Simplify right side
   423,086x = 776,449,113,732.25
5. Step 5: Solve for x
   x = 776,449,113,732.25/423,086
6. Step 6: Final answer
   x = 1,835,203.99