Finding the Third Proportional to 385,531.50 and 576,076

Step by Step Solution

1. Step 1: Write the proportion equation
   385,531.50 : 576,076 = 576,076 : x
2. Step 2: Convert to fraction form
   385,531.50/576,076 = 576,076/x
3. Step 3: Cross multiply
   385,531.50x = 576,076 × 576,076
4. Step 4: Simplify right side
   385,531.50x = 331,863,557,776
5. Step 5: Solve for x
   x = 331,863,557,776/385,531.50
6. Step 6: Final answer
   x = 860,794.92