Finding the Third Proportional to 79,407 and 124,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,407 : 124,780.50 = 124,780.50 : x
2. Step 2: Convert to fraction form
   79,407/124,780.50 = 124,780.50/x
3. Step 3: Cross multiply
   79,407x = 124,780.50 × 124,780.50
4. Step 4: Simplify right side
   79,407x = 15,570,173,180.25
5. Step 5: Solve for x
   x = 15,570,173,180.25/79,407
6. Step 6: Final answer
   x = 196,080.61