Finding the Third Proportional to 89,052 and 137,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,052 : 137,815.50 = 137,815.50 : x
2. Step 2: Convert to fraction form
   89,052/137,815.50 = 137,815.50/x
3. Step 3: Cross multiply
   89,052x = 137,815.50 × 137,815.50
4. Step 4: Simplify right side
   89,052x = 18,993,112,040.25
5. Step 5: Solve for x
   x = 18,993,112,040.25/89,052
6. Step 6: Final answer
   x = 213,281.14