Finding the Third Proportional to 146,043 and 319,119.75

Step by Step Solution

1. Step 1: Write the proportion equation
   146,043 : 319,119.75 = 319,119.75 : x
2. Step 2: Convert to fraction form
   146,043/319,119.75 = 319,119.75/x
3. Step 3: Cross multiply
   146,043x = 319,119.75 × 319,119.75
4. Step 4: Simplify right side
   146,043x = 101,837,414,840.06
5. Step 5: Solve for x
   x = 101,837,414,840.06/146,043
6. Step 6: Final answer
   x = 697,311.17