Finding the Third Proportional to 99,321 and 151,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,321 : 151,276.50 = 151,276.50 : x
2. Step 2: Convert to fraction form
   99,321/151,276.50 = 151,276.50/x
3. Step 3: Cross multiply
   99,321x = 151,276.50 × 151,276.50
4. Step 4: Simplify right side
   99,321x = 22,884,579,452.25
5. Step 5: Solve for x
   x = 22,884,579,452.25/99,321
6. Step 6: Final answer
   x = 230,410.28