Finding the Third Proportional to 124,480 and 186,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,480 : 186,810.50 = 186,810.50 : x
2. Step 2: Convert to fraction form
   124,480/186,810.50 = 186,810.50/x
3. Step 3: Cross multiply
   124,480x = 186,810.50 × 186,810.50
4. Step 4: Simplify right side
   124,480x = 34,898,162,910.25
5. Step 5: Solve for x
   x = 34,898,162,910.25/124,480
6. Step 6: Final answer
   x = 280,351.57