Finding the Third Proportional to 58,181.50 and 126,731

Step by Step Solution

1. Step 1: Write the proportion equation
   58,181.50 : 126,731 = 126,731 : x
2. Step 2: Convert to fraction form
   58,181.50/126,731 = 126,731/x
3. Step 3: Cross multiply
   58,181.50x = 126,731 × 126,731
4. Step 4: Simplify right side
   58,181.50x = 16,060,746,361
5. Step 5: Solve for x
   x = 16,060,746,361/58,181.50
6. Step 6: Final answer
   x = 276,045.59