Finding the Third Proportional to 86,738.50 and 134,047

Step by Step Solution

1. Step 1: Write the proportion equation
   86,738.50 : 134,047 = 134,047 : x
2. Step 2: Convert to fraction form
   86,738.50/134,047 = 134,047/x
3. Step 3: Cross multiply
   86,738.50x = 134,047 × 134,047
4. Step 4: Simplify right side
   86,738.50x = 17,968,598,209
5. Step 5: Solve for x
   x = 17,968,598,209/86,738.50
6. Step 6: Final answer
   x = 207,158.28