Finding the Third Proportional to 67,287 and 99,627

Step by Step Solution

1. Step 1: Write the proportion equation
   67,287 : 99,627 = 99,627 : x
2. Step 2: Convert to fraction form
   67,287/99,627 = 99,627/x
3. Step 3: Cross multiply
   67,287x = 99,627 × 99,627
4. Step 4: Simplify right side
   67,287x = 9,925,539,129
5. Step 5: Solve for x
   x = 9,925,539,129/67,287
6. Step 6: Final answer
   x = 147,510.50