Finding the Third Proportional to 581,893.50 and 903,099

Step by Step Solution

1. Step 1: Write the proportion equation
   581,893.50 : 903,099 = 903,099 : x
2. Step 2: Convert to fraction form
   581,893.50/903,099 = 903,099/x
3. Step 3: Cross multiply
   581,893.50x = 903,099 × 903,099
4. Step 4: Simplify right side
   581,893.50x = 815,587,803,801
5. Step 5: Solve for x
   x = 815,587,803,801/581,893.50
6. Step 6: Final answer
   x = 1,401,610.09