Finding the Third Proportional to 69,111 and 103,929.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,111 : 103,929.75 = 103,929.75 : x
2. Step 2: Convert to fraction form
   69,111/103,929.75 = 103,929.75/x
3. Step 3: Cross multiply
   69,111x = 103,929.75 × 103,929.75
4. Step 4: Simplify right side
   69,111x = 10,801,392,935.06
5. Step 5: Solve for x
   x = 10,801,392,935.06/69,111
6. Step 6: Final answer
   x = 156,290.50