Finding the Third Proportional to 76,886.72 and 158,830.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,886.72 : 158,830.88 = 158,830.88 : x
2. Step 2: Convert to fraction form
   76,886.72/158,830.88 = 158,830.88/x
3. Step 3: Cross multiply
   76,886.72x = 158,830.88 × 158,830.88
4. Step 4: Simplify right side
   76,886.72x = 25,227,246,853.27
5. Step 5: Solve for x
   x = 25,227,246,853.27/76,886.72
6. Step 6: Final answer
   x = 328,109.29