Finding the Third Proportional to 69,204 and 90,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,204 : 90,869.50 = 90,869.50 : x
2. Step 2: Convert to fraction form
   69,204/90,869.50 = 90,869.50/x
3. Step 3: Cross multiply
   69,204x = 90,869.50 × 90,869.50
4. Step 4: Simplify right side
   69,204x = 8,257,266,030.25
5. Step 5: Solve for x
   x = 8,257,266,030.25/69,204
6. Step 6: Final answer
   x = 119,317.76