Finding the Third Proportional to 423,114 and 881,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,114 : 881,221.50 = 881,221.50 : x
2. Step 2: Convert to fraction form
   423,114/881,221.50 = 881,221.50/x
3. Step 3: Cross multiply
   423,114x = 881,221.50 × 881,221.50
4. Step 4: Simplify right side
   423,114x = 776,551,332,062.25
5. Step 5: Solve for x
   x = 776,551,332,062.25/423,114
6. Step 6: Final answer
   x = 1,835,324.13