Finding the Third Proportional to 71,620.88 and 151,779.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,620.88 : 151,779.38 = 151,779.38 : x
2. Step 2: Convert to fraction form
   71,620.88/151,779.38 = 151,779.38/x
3. Step 3: Cross multiply
   71,620.88x = 151,779.38 × 151,779.38
4. Step 4: Simplify right side
   71,620.88x = 23,036,978,675.39
5. Step 5: Solve for x
   x = 23,036,978,675.39/71,620.88
6. Step 6: Final answer
   x = 321,651.73