Finding the Third Proportional to 67,296,984 and 146,403,768

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296,984 : 146,403,768 = 146,403,768 : x
2. Step 2: Convert to fraction form
   67,296,984/146,403,768 = 146,403,768/x
3. Step 3: Cross multiply
   67,296,984x = 146,403,768 × 146,403,768
4. Step 4: Simplify right side
   67,296,984x = 21,434,063,284,597,824
5. Step 5: Solve for x
   x = 21,434,063,284,597,824/67,296,984
6. Step 6: Final answer
   x = 318,499,611.88