Finding the Third Proportional to 63,129 and 146,158

Step by Step Solution

1. Step 1: Write the proportion equation
   63,129 : 146,158 = 146,158 : x
2. Step 2: Convert to fraction form
   63,129/146,158 = 146,158/x
3. Step 3: Cross multiply
   63,129x = 146,158 × 146,158
4. Step 4: Simplify right side
   63,129x = 21,362,160,964
5. Step 5: Solve for x
   x = 21,362,160,964/63,129
6. Step 6: Final answer
   x = 338,389.03