Finding the Third Proportional to 44,490 and 69,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   44,490 : 69,289.50 = 69,289.50 : x
2. Step 2: Convert to fraction form
   44,490/69,289.50 = 69,289.50/x
3. Step 3: Cross multiply
   44,490x = 69,289.50 × 69,289.50
4. Step 4: Simplify right side
   44,490x = 4,801,034,810.25
5. Step 5: Solve for x
   x = 4,801,034,810.25/44,490
6. Step 6: Final answer
   x = 107,912.67