Finding the Third Proportional to 384,859 and 573,184

Step by Step Solution

1. Step 1: Write the proportion equation
   384,859 : 573,184 = 573,184 : x
2. Step 2: Convert to fraction form
   384,859/573,184 = 573,184/x
3. Step 3: Cross multiply
   384,859x = 573,184 × 573,184
4. Step 4: Simplify right side
   384,859x = 328,539,897,856
5. Step 5: Solve for x
   x = 328,539,897,856/384,859
6. Step 6: Final answer
   x = 853,663.02