Finding the Third Proportional to 25,317.56 and 55,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,317.56 : 55,402.31 = 55,402.31 : x
2. Step 2: Convert to fraction form
   25,317.56/55,402.31 = 55,402.31/x
3. Step 3: Cross multiply
   25,317.56x = 55,402.31 × 55,402.31
4. Step 4: Simplify right side
   25,317.56x = 3,069,416,230.35
5. Step 5: Solve for x
   x = 3,069,416,230.35/25,317.56
6. Step 6: Final answer
   x = 121,236.64