Finding the Third Proportional to 385,992.50 and 850,514

Step by Step Solution

1. Step 1: Write the proportion equation
   385,992.50 : 850,514 = 850,514 : x
2. Step 2: Convert to fraction form
   385,992.50/850,514 = 850,514/x
3. Step 3: Cross multiply
   385,992.50x = 850,514 × 850,514
4. Step 4: Simplify right side
   385,992.50x = 723,374,064,196
5. Step 5: Solve for x
   x = 723,374,064,196/385,992.50
6. Step 6: Final answer
   x = 1,874,062.49