Finding the Third Proportional to 69,379.50 and 103,788

Step by Step Solution

1. Step 1: Write the proportion equation
   69,379.50 : 103,788 = 103,788 : x
2. Step 2: Convert to fraction form
   69,379.50/103,788 = 103,788/x
3. Step 3: Cross multiply
   69,379.50x = 103,788 × 103,788
4. Step 4: Simplify right side
   69,379.50x = 10,771,948,944
5. Step 5: Solve for x
   x = 10,771,948,944/69,379.50
6. Step 6: Final answer
   x = 155,261.27