Finding the Third Proportional to 25,321 and 55,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,321 : 55,409.50 = 55,409.50 : x
2. Step 2: Convert to fraction form
   25,321/55,409.50 = 55,409.50/x
3. Step 3: Cross multiply
   25,321x = 55,409.50 × 55,409.50
4. Step 4: Simplify right side
   25,321x = 3,070,212,690.25
5. Step 5: Solve for x
   x = 3,070,212,690.25/25,321
6. Step 6: Final answer
   x = 121,251.64