Finding the Third Proportional to 89,886.94 and 199,726.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,886.94 : 199,726.88 = 199,726.88 : x
2. Step 2: Convert to fraction form
   89,886.94/199,726.88 = 199,726.88/x
3. Step 3: Cross multiply
   89,886.94x = 199,726.88 × 199,726.88
4. Step 4: Simplify right side
   89,886.94x = 39,890,824,597.27
5. Step 5: Solve for x
   x = 39,890,824,597.27/89,886.94
6. Step 6: Final answer
   x = 443,788.89