Finding the Third Proportional to 103,815 and 136,317.94

Step by Step Solution

1. Step 1: Write the proportion equation
   103,815 : 136,317.94 = 136,317.94 : x
2. Step 2: Convert to fraction form
   103,815/136,317.94 = 136,317.94/x
3. Step 3: Cross multiply
   103,815x = 136,317.94 × 136,317.94
4. Step 4: Simplify right side
   103,815x = 18,582,580,084.25
5. Step 5: Solve for x
   x = 18,582,580,084.25/103,815
6. Step 6: Final answer
   x = 178,997.06