Finding the Third Proportional to 423,117 and 881,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,117 : 881,227.50 = 881,227.50 : x
2. Step 2: Convert to fraction form
   423,117/881,227.50 = 881,227.50/x
3. Step 3: Cross multiply
   423,117x = 881,227.50 × 881,227.50
4. Step 4: Simplify right side
   423,117x = 776,561,906,756.25
5. Step 5: Solve for x
   x = 776,561,906,756.25/423,117
6. Step 6: Final answer
   x = 1,835,336.11