Finding the Third Proportional to 53,205.61 and 79,347.09

Step by Step Solution

1. Step 1: Write the proportion equation
   53,205.61 : 79,347.09 = 79,347.09 : x
2. Step 2: Convert to fraction form
   53,205.61/79,347.09 = 79,347.09/x
3. Step 3: Cross multiply
   53,205.61x = 79,347.09 × 79,347.09
4. Step 4: Simplify right side
   53,205.61x = 6,295,961,286.57
5. Step 5: Solve for x
   x = 6,295,961,286.57/53,205.61
6. Step 6: Final answer
   x = 118,332.66