Finding the Third Proportional to 70,488 and 151,978

Step by Step Solution

1. Step 1: Write the proportion equation
   70,488 : 151,978 = 151,978 : x
2. Step 2: Convert to fraction form
   70,488/151,978 = 151,978/x
3. Step 3: Cross multiply
   70,488x = 151,978 × 151,978
4. Step 4: Simplify right side
   70,488x = 23,097,312,484
5. Step 5: Solve for x
   x = 23,097,312,484/70,488
6. Step 6: Final answer
   x = 327,677.23