Finding the Third Proportional to 122,821.50 and 186,448

Step by Step Solution

1. Step 1: Write the proportion equation
   122,821.50 : 186,448 = 186,448 : x
2. Step 2: Convert to fraction form
   122,821.50/186,448 = 186,448/x
3. Step 3: Cross multiply
   122,821.50x = 186,448 × 186,448
4. Step 4: Simplify right side
   122,821.50x = 34,762,856,704
5. Step 5: Solve for x
   x = 34,762,856,704/122,821.50
6. Step 6: Final answer
   x = 283,035.60