Finding the Third Proportional to 71,438 and 105,023

Step by Step Solution

1. Step 1: Write the proportion equation
   71,438 : 105,023 = 105,023 : x
2. Step 2: Convert to fraction form
   71,438/105,023 = 105,023/x
3. Step 3: Cross multiply
   71,438x = 105,023 × 105,023
4. Step 4: Simplify right side
   71,438x = 11,029,830,529
5. Step 5: Solve for x
   x = 11,029,830,529/71,438
6. Step 6: Final answer
   x = 154,397.25