Finding the Third Proportional to 67,296,974 and 146,403,748

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296,974 : 146,403,748 = 146,403,748 : x
2. Step 2: Convert to fraction form
   67,296,974/146,403,748 = 146,403,748/x
3. Step 3: Cross multiply
   67,296,974x = 146,403,748 × 146,403,748
4. Step 4: Simplify right side
   67,296,974x = 21,434,057,428,447,504
5. Step 5: Solve for x
   x = 21,434,057,428,447,504/67,296,974
6. Step 6: Final answer
   x = 318,499,572.19