Finding the Third Proportional to 67,842 and 99,801.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,842 : 99,801.75 = 99,801.75 : x
2. Step 2: Convert to fraction form
   67,842/99,801.75 = 99,801.75/x
3. Step 3: Cross multiply
   67,842x = 99,801.75 × 99,801.75
4. Step 4: Simplify right side
   67,842x = 9,960,389,303.06
5. Step 5: Solve for x
   x = 9,960,389,303.06/67,842
6. Step 6: Final answer
   x = 146,817.45