Finding the Third Proportional to 65,821.13 and 99,196.13

Step by Step Solution

1. Step 1: Write the proportion equation
   65,821.13 : 99,196.13 = 99,196.13 : x
2. Step 2: Convert to fraction form
   65,821.13/99,196.13 = 99,196.13/x
3. Step 3: Cross multiply
   65,821.13x = 99,196.13 × 99,196.13
4. Step 4: Simplify right side
   65,821.13x = 9,839,871,215.02
5. Step 5: Solve for x
   x = 9,839,871,215.02/65,821.13
6. Step 6: Final answer
   x = 149,494.12