Finding the Third Proportional to 65,486,896 and 142,591,826

Step by Step Solution

1. Step 1: Write the proportion equation
   65,486,896 : 142,591,826 = 142,591,826 : x
2. Step 2: Convert to fraction form
   65,486,896/142,591,826 = 142,591,826/x
3. Step 3: Cross multiply
   65,486,896x = 142,591,826 × 142,591,826
4. Step 4: Simplify right side
   65,486,896x = 20,332,428,842,014,276
5. Step 5: Solve for x
   x = 20,332,428,842,014,276/65,486,896
6. Step 6: Final answer
   x = 310,480,876.08