Finding the Third Proportional to 67,042.50 and 99,404

Step by Step Solution

1. Step 1: Write the proportion equation
   67,042.50 : 99,404 = 99,404 : x
2. Step 2: Convert to fraction form
   67,042.50/99,404 = 99,404/x
3. Step 3: Cross multiply
   67,042.50x = 99,404 × 99,404
4. Step 4: Simplify right side
   67,042.50x = 9,881,155,216
5. Step 5: Solve for x
   x = 9,881,155,216/67,042.50
6. Step 6: Final answer
   x = 147,386.44