Finding the Third Proportional to 36,986.63 and 78,899.06

Step by Step Solution

1. Step 1: Write the proportion equation
   36,986.63 : 78,899.06 = 78,899.06 : x
2. Step 2: Convert to fraction form
   36,986.63/78,899.06 = 78,899.06/x
3. Step 3: Cross multiply
   36,986.63x = 78,899.06 × 78,899.06
4. Step 4: Simplify right side
   36,986.63x = 6,225,062,063.38
5. Step 5: Solve for x
   x = 6,225,062,063.38/36,986.63
6. Step 6: Final answer
   x = 168,305.76