Finding the Third Proportional to 54,131.63 and 79,557.19

Step by Step Solution

1. Step 1: Write the proportion equation
   54,131.63 : 79,557.19 = 79,557.19 : x
2. Step 2: Convert to fraction form
   54,131.63/79,557.19 = 79,557.19/x
3. Step 3: Cross multiply
   54,131.63x = 79,557.19 × 79,557.19
4. Step 4: Simplify right side
   54,131.63x = 6,329,346,082.91
5. Step 5: Solve for x
   x = 6,329,346,082.91/54,131.63
6. Step 6: Final answer
   x = 116,925.11