Finding the Third Proportional to 69,436.50 and 103,698.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,436.50 : 103,698.75 = 103,698.75 : x
2. Step 2: Convert to fraction form
   69,436.50/103,698.75 = 103,698.75/x
3. Step 3: Cross multiply
   69,436.50x = 103,698.75 × 103,698.75
4. Step 4: Simplify right side
   69,436.50x = 10,753,430,751.56
5. Step 5: Solve for x
   x = 10,753,430,751.56/69,436.50
6. Step 6: Final answer
   x = 154,867.12