Finding the Third Proportional to 128,883 and 197,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,883 : 197,176.50 = 197,176.50 : x
2. Step 2: Convert to fraction form
   128,883/197,176.50 = 197,176.50/x
3. Step 3: Cross multiply
   128,883x = 197,176.50 × 197,176.50
4. Step 4: Simplify right side
   128,883x = 38,878,572,152.25
5. Step 5: Solve for x
   x = 38,878,572,152.25/128,883
6. Step 6: Final answer
   x = 301,657.88