Finding the Third Proportional to 85,466 and 187,045

Step by Step Solution

1. Step 1: Write the proportion equation
   85,466 : 187,045 = 187,045 : x
2. Step 2: Convert to fraction form
   85,466/187,045 = 187,045/x
3. Step 3: Cross multiply
   85,466x = 187,045 × 187,045
4. Step 4: Simplify right side
   85,466x = 34,985,832,025
5. Step 5: Solve for x
   x = 34,985,832,025/85,466
6. Step 6: Final answer
   x = 409,353.80