Finding the Third Proportional to 103,446 and 134,718.75

Step by Step Solution

1. Step 1: Write the proportion equation
   103,446 : 134,718.75 = 134,718.75 : x
2. Step 2: Convert to fraction form
   103,446/134,718.75 = 134,718.75/x
3. Step 3: Cross multiply
   103,446x = 134,718.75 × 134,718.75
4. Step 4: Simplify right side
   103,446x = 18,149,141,601.56
5. Step 5: Solve for x
   x = 18,149,141,601.56/103,446
6. Step 6: Final answer
   x = 175,445.56