Finding the Third Proportional to 53,416.13 and 79,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,416.13 : 79,300.69 = 79,300.69 : x
2. Step 2: Convert to fraction form
   53,416.13/79,300.69 = 79,300.69/x
3. Step 3: Cross multiply
   53,416.13x = 79,300.69 × 79,300.69
4. Step 4: Simplify right side
   53,416.13x = 6,288,599,037.97
5. Step 5: Solve for x
   x = 6,288,599,037.97/53,416.13
6. Step 6: Final answer
   x = 117,728.48