Finding the Third Proportional to 30,854,554 and 64,262,920

Step by Step Solution

1. Step 1: Write the proportion equation
   30,854,554 : 64,262,920 = 64,262,920 : x
2. Step 2: Convert to fraction form
   30,854,554/64,262,920 = 64,262,920/x
3. Step 3: Cross multiply
   30,854,554x = 64,262,920 × 64,262,920
4. Step 4: Simplify right side
   30,854,554x = 4,129,722,886,926,400
5. Step 5: Solve for x
   x = 4,129,722,886,926,400/30,854,554
6. Step 6: Final answer
   x = 133,844,841.41