Finding the Third Proportional to 67,185,648 and 147,388,320

Step by Step Solution

1. Step 1: Write the proportion equation
   67,185,648 : 147,388,320 = 147,388,320 : x
2. Step 2: Convert to fraction form
   67,185,648/147,388,320 = 147,388,320/x
3. Step 3: Cross multiply
   67,185,648x = 147,388,320 × 147,388,320
4. Step 4: Simplify right side
   67,185,648x = 21,723,316,872,422,400
5. Step 5: Solve for x
   x = 21,723,316,872,422,400/67,185,648
6. Step 6: Final answer
   x = 323,332,698.56