Finding the Third Proportional to 42,998.75 and 65,147

Step by Step Solution

1. Step 1: Write the proportion equation
   42,998.75 : 65,147 = 65,147 : x
2. Step 2: Convert to fraction form
   42,998.75/65,147 = 65,147/x
3. Step 3: Cross multiply
   42,998.75x = 65,147 × 65,147
4. Step 4: Simplify right side
   42,998.75x = 4,244,131,609
5. Step 5: Solve for x
   x = 4,244,131,609/42,998.75
6. Step 6: Final answer
   x = 98,703.60