Finding the Third Proportional to 30,954.25 and 67,842.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,954.25 : 67,842.13 = 67,842.13 : x
2. Step 2: Convert to fraction form
   30,954.25/67,842.13 = 67,842.13/x
3. Step 3: Cross multiply
   30,954.25x = 67,842.13 × 67,842.13
4. Step 4: Simplify right side
   30,954.25x = 4,602,553,924.52
5. Step 5: Solve for x
   x = 4,602,553,924.52/30,954.25
6. Step 6: Final answer
   x = 148,688.92