Finding the Third Proportional to 69,422,790 and 144,591,636

Step by Step Solution

1. Step 1: Write the proportion equation
   69,422,790 : 144,591,636 = 144,591,636 : x
2. Step 2: Convert to fraction form
   69,422,790/144,591,636 = 144,591,636/x
3. Step 3: Cross multiply
   69,422,790x = 144,591,636 × 144,591,636
4. Step 4: Simplify right side
   69,422,790x = 20,906,741,201,156,496
5. Step 5: Solve for x
   x = 20,906,741,201,156,496/69,422,790
6. Step 6: Final answer
   x = 301,150,979.40