Finding the Third Proportional to 36,070.88 and 78,780.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,070.88 : 78,780.38 = 78,780.38 : x
2. Step 2: Convert to fraction form
   36,070.88/78,780.38 = 78,780.38/x
3. Step 3: Cross multiply
   36,070.88x = 78,780.38 × 78,780.38
4. Step 4: Simplify right side
   36,070.88x = 6,206,347,485.14
5. Step 5: Solve for x
   x = 6,206,347,485.14/36,070.88
6. Step 6: Final answer
   x = 172,059.80