Finding the Third Proportional to 100,308 and 155,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,308 : 155,818.50 = 155,818.50 : x
2. Step 2: Convert to fraction form
   100,308/155,818.50 = 155,818.50/x
3. Step 3: Cross multiply
   100,308x = 155,818.50 × 155,818.50
4. Step 4: Simplify right side
   100,308x = 24,279,404,942.25
5. Step 5: Solve for x
   x = 24,279,404,942.25/100,308
6. Step 6: Final answer
   x = 242,048.54