Finding the Third Proportional to 100,425 and 155,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,425 : 155,499.50 = 155,499.50 : x
2. Step 2: Convert to fraction form
   100,425/155,499.50 = 155,499.50/x
3. Step 3: Cross multiply
   100,425x = 155,499.50 × 155,499.50
4. Step 4: Simplify right side
   100,425x = 24,180,094,500.25
5. Step 5: Solve for x
   x = 24,180,094,500.25/100,425
6. Step 6: Final answer
   x = 240,777.64