Finding the Third Proportional to 581,656.50 and 873,099

Step by Step Solution

1. Step 1: Write the proportion equation
   581,656.50 : 873,099 = 873,099 : x
2. Step 2: Convert to fraction form
   581,656.50/873,099 = 873,099/x
3. Step 3: Cross multiply
   581,656.50x = 873,099 × 873,099
4. Step 4: Simplify right side
   581,656.50x = 762,301,863,801
5. Step 5: Solve for x
   x = 762,301,863,801/581,656.50
6. Step 6: Final answer
   x = 1,310,570.52