Finding the Third Proportional to 36,156.38 and 78,463.69

Step by Step Solution

1. Step 1: Write the proportion equation
   36,156.38 : 78,463.69 = 78,463.69 : x
2. Step 2: Convert to fraction form
   36,156.38/78,463.69 = 78,463.69/x
3. Step 3: Cross multiply
   36,156.38x = 78,463.69 × 78,463.69
4. Step 4: Simplify right side
   36,156.38x = 6,156,550,256.10
5. Step 5: Solve for x
   x = 6,156,550,256.10/36,156.38
6. Step 6: Final answer
   x = 170,275.65