Finding the Third Proportional to 68,412.09 and 103,199.06

Step by Step Solution

1. Step 1: Write the proportion equation
   68,412.09 : 103,199.06 = 103,199.06 : x
2. Step 2: Convert to fraction form
   68,412.09/103,199.06 = 103,199.06/x
3. Step 3: Cross multiply
   68,412.09x = 103,199.06 × 103,199.06
4. Step 4: Simplify right side
   68,412.09x = 10,650,046,500.88
5. Step 5: Solve for x
   x = 10,650,046,500.88/68,412.09
6. Step 6: Final answer
   x = 155,674.91