Finding the Third Proportional to 71,451 and 105,036.75

Step by Step Solution

1. Step 1: Write the proportion equation
   71,451 : 105,036.75 = 105,036.75 : x
2. Step 2: Convert to fraction form
   71,451/105,036.75 = 105,036.75/x
3. Step 3: Cross multiply
   71,451x = 105,036.75 × 105,036.75
4. Step 4: Simplify right side
   71,451x = 11,032,718,850.56
5. Step 5: Solve for x
   x = 11,032,718,850.56/71,451
6. Step 6: Final answer
   x = 154,409.58