Finding the Third Proportional to 71,788 and 102,760

Step by Step Solution

1. Step 1: Write the proportion equation
   71,788 : 102,760 = 102,760 : x
2. Step 2: Convert to fraction form
   71,788/102,760 = 102,760/x
3. Step 3: Cross multiply
   71,788x = 102,760 × 102,760
4. Step 4: Simplify right side
   71,788x = 10,559,617,600
5. Step 5: Solve for x
   x = 10,559,617,600/71,788
6. Step 6: Final answer
   x = 147,094.47