Finding the Third Proportional to 66,680.25 and 157,404

Step by Step Solution

1. Step 1: Write the proportion equation
   66,680.25 : 157,404 = 157,404 : x
2. Step 2: Convert to fraction form
   66,680.25/157,404 = 157,404/x
3. Step 3: Cross multiply
   66,680.25x = 157,404 × 157,404
4. Step 4: Simplify right side
   66,680.25x = 24,776,019,216
5. Step 5: Solve for x
   x = 24,776,019,216/66,680.25
6. Step 6: Final answer
   x = 371,564.58