Finding the Third Proportional to 71,187 and 103,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,187 : 103,108.50 = 103,108.50 : x
2. Step 2: Convert to fraction form
   71,187/103,108.50 = 103,108.50/x
3. Step 3: Cross multiply
   71,187x = 103,108.50 × 103,108.50
4. Step 4: Simplify right side
   71,187x = 10,631,362,772.25
5. Step 5: Solve for x
   x = 10,631,362,772.25/71,187
6. Step 6: Final answer
   x = 149,344.16