Finding the Third Proportional to 65,774.53 and 105,929.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,774.53 : 105,929.72 = 105,929.72 : x
2. Step 2: Convert to fraction form
   65,774.53/105,929.72 = 105,929.72/x
3. Step 3: Cross multiply
   65,774.53x = 105,929.72 × 105,929.72
4. Step 4: Simplify right side
   65,774.53x = 11,221,105,314.45
5. Step 5: Solve for x
   x = 11,221,105,314.45/65,774.53
6. Step 6: Final answer
   x = 170,599.55