Finding the Third Proportional to 77,986.13 and 159,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,986.13 : 159,667.88 = 159,667.88 : x
2. Step 2: Convert to fraction form
   77,986.13/159,667.88 = 159,667.88/x
3. Step 3: Cross multiply
   77,986.13x = 159,667.88 × 159,667.88
4. Step 4: Simplify right side
   77,986.13x = 25,493,830,307.02
5. Step 5: Solve for x
   x = 25,493,830,307.02/77,986.13
6. Step 6: Final answer
   x = 326,902.13