Finding the Third Proportional to 67,296,996 and 146,403,792

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296,996 : 146,403,792 = 146,403,792 : x
2. Step 2: Convert to fraction form
   67,296,996/146,403,792 = 146,403,792/x
3. Step 3: Cross multiply
   67,296,996x = 146,403,792 × 146,403,792
4. Step 4: Simplify right side
   67,296,996x = 21,434,070,311,979,264
5. Step 5: Solve for x
   x = 21,434,070,311,979,264/67,296,996
6. Step 6: Final answer
   x = 318,499,659.51