Finding the Third Proportional to 79,315 and 116,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,315 : 116,779.50 = 116,779.50 : x
2. Step 2: Convert to fraction form
   79,315/116,779.50 = 116,779.50/x
3. Step 3: Cross multiply
   79,315x = 116,779.50 × 116,779.50
4. Step 4: Simplify right side
   79,315x = 13,637,451,620.25
5. Step 5: Solve for x
   x = 13,637,451,620.25/79,315
6. Step 6: Final answer
   x = 171,940.38