Finding the Third Proportional to 134,955 and 208,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,955 : 208,516.50 = 208,516.50 : x
2. Step 2: Convert to fraction form
   134,955/208,516.50 = 208,516.50/x
3. Step 3: Cross multiply
   134,955x = 208,516.50 × 208,516.50
4. Step 4: Simplify right side
   134,955x = 43,479,130,772.25
5. Step 5: Solve for x
   x = 43,479,130,772.25/134,955
6. Step 6: Final answer
   x = 322,175.03