Finding the Third Proportional to 30,772,198.69 and 48,727,111.78

Step by Step Solution

1. Step 1: Write the proportion equation
   30,772,198.69 : 48,727,111.78 = 48,727,111.78 : x
2. Step 2: Convert to fraction form
   30,772,198.69/48,727,111.78 = 48,727,111.78/x
3. Step 3: Cross multiply
   30,772,198.69x = 48,727,111.78 × 48,727,111.78
4. Step 4: Simplify right side
   30,772,198.69x = 2,374,331,422,542,432.50
5. Step 5: Solve for x
   x = 2,374,331,422,542,432.50/30,772,198.69
6. Step 6: Final answer
   x = 77,158,328.75