Finding the Third Proportional to 67,308 and 99,659

Step by Step Solution

1. Step 1: Write the proportion equation
   67,308 : 99,659 = 99,659 : x
2. Step 2: Convert to fraction form
   67,308/99,659 = 99,659/x
3. Step 3: Cross multiply
   67,308x = 99,659 × 99,659
4. Step 4: Simplify right side
   67,308x = 9,931,916,281
5. Step 5: Solve for x
   x = 9,931,916,281/67,308
6. Step 6: Final answer
   x = 147,559.22