Finding the Third Proportional to 2,520,138.52 and 5,530,164.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,138.52 : 5,530,164.96 = 5,530,164.96 : x
2. Step 2: Convert to fraction form
   2,520,138.52/5,530,164.96 = 5,530,164.96/x
3. Step 3: Cross multiply
   2,520,138.52x = 5,530,164.96 × 5,530,164.96
4. Step 4: Simplify right side
   2,520,138.52x = 30,582,724,495,180.86
5. Step 5: Solve for x
   x = 30,582,724,495,180.86/2,520,138.52
6. Step 6: Final answer
   x = 12,135,334.75