Finding the Third Proportional to 67,296,992 and 146,403,784

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296,992 : 146,403,784 = 146,403,784 : x
2. Step 2: Convert to fraction form
   67,296,992/146,403,784 = 146,403,784/x
3. Step 3: Cross multiply
   67,296,992x = 146,403,784 × 146,403,784
4. Step 4: Simplify right side
   67,296,992x = 21,434,067,969,518,656
5. Step 5: Solve for x
   x = 21,434,067,969,518,656/67,296,992
6. Step 6: Final answer
   x = 318,499,643.63