Finding the Third Proportional to 141,939 and 301,185

Step by Step Solution

1. Step 1: Write the proportion equation
   141,939 : 301,185 = 301,185 : x
2. Step 2: Convert to fraction form
   141,939/301,185 = 301,185/x
3. Step 3: Cross multiply
   141,939x = 301,185 × 301,185
4. Step 4: Simplify right side
   141,939x = 90,712,404,225
5. Step 5: Solve for x
   x = 90,712,404,225/141,939
6. Step 6: Final answer
   x = 639,094.29