Finding the Third Proportional to 65,458.13 and 100,089.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,458.13 : 100,089.42 = 100,089.42 : x
2. Step 2: Convert to fraction form
   65,458.13/100,089.42 = 100,089.42/x
3. Step 3: Cross multiply
   65,458.13x = 100,089.42 × 100,089.42
4. Step 4: Simplify right side
   65,458.13x = 10,017,892,371.27
5. Step 5: Solve for x
   x = 10,017,892,371.27/65,458.13
6. Step 6: Final answer
   x = 153,042.76