Finding the Third Proportional to 36,388.13 and 78,091.88

Step by Step Solution

1. Step 1: Write the proportion equation
   36,388.13 : 78,091.88 = 78,091.88 : x
2. Step 2: Convert to fraction form
   36,388.13/78,091.88 = 78,091.88/x
3. Step 3: Cross multiply
   36,388.13x = 78,091.88 × 78,091.88
4. Step 4: Simplify right side
   36,388.13x = 6,098,340,941.02
5. Step 5: Solve for x
   x = 6,098,340,941.02/36,388.13
6. Step 6: Final answer
   x = 167,591.51