Finding the Third Proportional to 36,446.63 and 78,429.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,446.63 : 78,429.38 = 78,429.38 : x
2. Step 2: Convert to fraction form
   36,446.63/78,429.38 = 78,429.38/x
3. Step 3: Cross multiply
   36,446.63x = 78,429.38 × 78,429.38
4. Step 4: Simplify right side
   36,446.63x = 6,151,166,862.89
5. Step 5: Solve for x
   x = 6,151,166,862.89/36,446.63
6. Step 6: Final answer
   x = 168,771.92