Finding the Third Proportional to 67,842 and 99,730

Step by Step Solution

1. Step 1: Write the proportion equation
   67,842 : 99,730 = 99,730 : x
2. Step 2: Convert to fraction form
   67,842/99,730 = 99,730/x
3. Step 3: Cross multiply
   67,842x = 99,730 × 99,730
4. Step 4: Simplify right side
   67,842x = 9,946,072,900
5. Step 5: Solve for x
   x = 9,946,072,900/67,842
6. Step 6: Final answer
   x = 146,606.42