Finding the Third Proportional to 69,422,746.50 and 144,591,570

Step by Step Solution

1. Step 1: Write the proportion equation
   69,422,746.50 : 144,591,570 = 144,591,570 : x
2. Step 2: Convert to fraction form
   69,422,746.50/144,591,570 = 144,591,570/x
3. Step 3: Cross multiply
   69,422,746.50x = 144,591,570 × 144,591,570
4. Step 4: Simplify right side
   69,422,746.50x = 20,906,722,115,064,900
5. Step 5: Solve for x
   x = 20,906,722,115,064,900/69,422,746.50
6. Step 6: Final answer
   x = 301,150,893.17