Finding the Third Proportional to 79,321 and 116,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,321 : 116,788.50 = 116,788.50 : x
2. Step 2: Convert to fraction form
   79,321/116,788.50 = 116,788.50/x
3. Step 3: Cross multiply
   79,321x = 116,788.50 × 116,788.50
4. Step 4: Simplify right side
   79,321x = 13,639,553,732.25
5. Step 5: Solve for x
   x = 13,639,553,732.25/79,321
6. Step 6: Final answer
   x = 171,953.88