Finding the Third Proportional to 69,729,919 and 152,015,148

Step by Step Solution

1. Step 1: Write the proportion equation
   69,729,919 : 152,015,148 = 152,015,148 : x
2. Step 2: Convert to fraction form
   69,729,919/152,015,148 = 152,015,148/x
3. Step 3: Cross multiply
   69,729,919x = 152,015,148 × 152,015,148
4. Step 4: Simplify right side
   69,729,919x = 23,108,605,221,461,904
5. Step 5: Solve for x
   x = 23,108,605,221,461,904/69,729,919
6. Step 6: Final answer
   x = 331,401,578.45