Finding the Third Proportional to 99,421 and 150,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,421 : 150,579.50 = 150,579.50 : x
2. Step 2: Convert to fraction form
   99,421/150,579.50 = 150,579.50/x
3. Step 3: Cross multiply
   99,421x = 150,579.50 × 150,579.50
4. Step 4: Simplify right side
   99,421x = 22,674,185,820.25
5. Step 5: Solve for x
   x = 22,674,185,820.25/99,421
6. Step 6: Final answer
   x = 228,062.34