Finding the Third Proportional to 136,167 and 207,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,167 : 207,130.50 = 207,130.50 : x
2. Step 2: Convert to fraction form
   136,167/207,130.50 = 207,130.50/x
3. Step 3: Cross multiply
   136,167x = 207,130.50 × 207,130.50
4. Step 4: Simplify right side
   136,167x = 42,903,044,030.25
5. Step 5: Solve for x
   x = 42,903,044,030.25/136,167
6. Step 6: Final answer
   x = 315,076.66