Finding the Third Proportional to 102,860 and 136,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   102,860 : 136,484.50 = 136,484.50 : x
2. Step 2: Convert to fraction form
   102,860/136,484.50 = 136,484.50/x
3. Step 3: Cross multiply
   102,860x = 136,484.50 × 136,484.50
4. Step 4: Simplify right side
   102,860x = 18,628,018,740.25
5. Step 5: Solve for x
   x = 18,628,018,740.25/102,860
6. Step 6: Final answer
   x = 181,100.71