Finding the Third Proportional to 31,517,124 and 67,741,832

Step by Step Solution

1. Step 1: Write the proportion equation
   31,517,124 : 67,741,832 = 67,741,832 : x
2. Step 2: Convert to fraction form
   31,517,124/67,741,832 = 67,741,832/x
3. Step 3: Cross multiply
   31,517,124x = 67,741,832 × 67,741,832
4. Step 4: Simplify right side
   31,517,124x = 4,588,955,802,716,224
5. Step 5: Solve for x
   x = 4,588,955,802,716,224/31,517,124
6. Step 6: Final answer
   x = 145,601,984.58