Finding the Third Proportional to 423,120 and 881,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,120 : 881,233.50 = 881,233.50 : x
2. Step 2: Convert to fraction form
   423,120/881,233.50 = 881,233.50/x
3. Step 3: Cross multiply
   423,120x = 881,233.50 × 881,233.50
4. Step 4: Simplify right side
   423,120x = 776,572,481,522.25
5. Step 5: Solve for x
   x = 776,572,481,522.25/423,120
6. Step 6: Final answer
   x = 1,835,348.08