Finding the Third Proportional to 30,448,936.50 and 71,854,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,448,936.50 : 71,854,036.50 = 71,854,036.50 : x
2. Step 2: Convert to fraction form
   30,448,936.50/71,854,036.50 = 71,854,036.50/x
3. Step 3: Cross multiply
   30,448,936.50x = 71,854,036.50 × 71,854,036.50
4. Step 4: Simplify right side
   30,448,936.50x = 5,163,002,561,343,332
5. Step 5: Solve for x
   x = 5,163,002,561,343,332/30,448,936.50
6. Step 6: Final answer
   x = 169,562,656.53