Finding the Third Proportional to 73,149,869 and 100,308,391

Step by Step Solution

1. Step 1: Write the proportion equation
   73,149,869 : 100,308,391 = 100,308,391 : x
2. Step 2: Convert to fraction form
   73,149,869/100,308,391 = 100,308,391/x
3. Step 3: Cross multiply
   73,149,869x = 100,308,391 × 100,308,391
4. Step 4: Simplify right side
   73,149,869x = 10,061,773,305,008,880
5. Step 5: Solve for x
   x = 10,061,773,305,008,880/73,149,869
6. Step 6: Final answer
   x = 137,550,120.63