Finding the Third Proportional to 107,138 and 234,700

Step by Step Solution

1. Step 1: Write the proportion equation
   107,138 : 234,700 = 234,700 : x
2. Step 2: Convert to fraction form
   107,138/234,700 = 234,700/x
3. Step 3: Cross multiply
   107,138x = 234,700 × 234,700
4. Step 4: Simplify right side
   107,138x = 55,084,090,000
5. Step 5: Solve for x
   x = 55,084,090,000/107,138
6. Step 6: Final answer
   x = 514,141.48