Finding the Third Proportional to 1,536,558 and 2,213,305

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,558 : 2,213,305 = 2,213,305 : x
2. Step 2: Convert to fraction form
   1,536,558/2,213,305 = 2,213,305/x
3. Step 3: Cross multiply
   1,536,558x = 2,213,305 × 2,213,305
4. Step 4: Simplify right side
   1,536,558x = 4,898,719,023,025
5. Step 5: Solve for x
   x = 4,898,719,023,025/1,536,558
6. Step 6: Final answer
   x = 3,188,112.02