Finding the Third Proportional to 420,885.75 and 920,504

Step by Step Solution

1. Step 1: Write the proportion equation
   420,885.75 : 920,504 = 920,504 : x
2. Step 2: Convert to fraction form
   420,885.75/920,504 = 920,504/x
3. Step 3: Cross multiply
   420,885.75x = 920,504 × 920,504
4. Step 4: Simplify right side
   420,885.75x = 847,327,614,016
5. Step 5: Solve for x
   x = 847,327,614,016/420,885.75
6. Step 6: Final answer
   x = 2,013,201.00