Finding the Third Proportional to 392,892 and 845,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   392,892 : 845,977.50 = 845,977.50 : x
2. Step 2: Convert to fraction form
   392,892/845,977.50 = 845,977.50/x
3. Step 3: Cross multiply
   392,892x = 845,977.50 × 845,977.50
4. Step 4: Simplify right side
   392,892x = 715,677,930,506.25
5. Step 5: Solve for x
   x = 715,677,930,506.25/392,892
6. Step 6: Final answer
   x = 1,821,564.02