Finding the Third Proportional to 67,640,648 and 148,208,848

Step by Step Solution

1. Step 1: Write the proportion equation
   67,640,648 : 148,208,848 = 148,208,848 : x
2. Step 2: Convert to fraction form
   67,640,648/148,208,848 = 148,208,848/x
3. Step 3: Cross multiply
   67,640,648x = 148,208,848 × 148,208,848
4. Step 4: Simplify right side
   67,640,648x = 21,965,862,625,487,104
5. Step 5: Solve for x
   x = 21,965,862,625,487,104/67,640,648
6. Step 6: Final answer
   x = 324,743,527.38