Finding the Third Proportional to 99,078 and 153,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,078 : 153,478.50 = 153,478.50 : x
2. Step 2: Convert to fraction form
   99,078/153,478.50 = 153,478.50/x
3. Step 3: Cross multiply
   99,078x = 153,478.50 × 153,478.50
4. Step 4: Simplify right side
   99,078x = 23,555,649,962.25
5. Step 5: Solve for x
   x = 23,555,649,962.25/99,078
6. Step 6: Final answer
   x = 237,748.54