Finding the Third Proportional to 87,913.50 and 137,810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   87,913.50 : 137,810.25 = 137,810.25 : x
2. Step 2: Convert to fraction form
   87,913.50/137,810.25 = 137,810.25/x
3. Step 3: Cross multiply
   87,913.50x = 137,810.25 × 137,810.25
4. Step 4: Simplify right side
   87,913.50x = 18,991,665,005.06
5. Step 5: Solve for x
   x = 18,991,665,005.06/87,913.50
6. Step 6: Final answer
   x = 216,026.72