Finding the Third Proportional to 118,048.50 and 178,061.13

Step by Step Solution

1. Step 1: Write the proportion equation
   118,048.50 : 178,061.13 = 178,061.13 : x
2. Step 2: Convert to fraction form
   118,048.50/178,061.13 = 178,061.13/x
3. Step 3: Cross multiply
   118,048.50x = 178,061.13 × 178,061.13
4. Step 4: Simplify right side
   118,048.50x = 31,705,764,236.27
5. Step 5: Solve for x
   x = 31,705,764,236.27/118,048.50
6. Step 6: Final answer
   x = 268,582.53