Finding the Third Proportional to 42,669.28 and 92,719.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669.28 : 92,719.69 = 92,719.69 : x
2. Step 2: Convert to fraction form
   42,669.28/92,719.69 = 92,719.69/x
3. Step 3: Cross multiply
   42,669.28x = 92,719.69 × 92,719.69
4. Step 4: Simplify right side
   42,669.28x = 8,596,940,450.10
5. Step 5: Solve for x
   x = 8,596,940,450.10/42,669.28
6. Step 6: Final answer
   x = 201,478.45