Finding the Third Proportional to 69,078.45 and 151,307.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,078.45 : 151,307.37 = 151,307.37 : x
2. Step 2: Convert to fraction form
   69,078.45/151,307.37 = 151,307.37/x
3. Step 3: Cross multiply
   69,078.45x = 151,307.37 × 151,307.37
4. Step 4: Simplify right side
   69,078.45x = 22,893,919,365.21
5. Step 5: Solve for x
   x = 22,893,919,365.21/69,078.45
6. Step 6: Final answer
   x = 331,419.15