Finding the Third Proportional to 2,615,178 and 5,664,352

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,178 : 5,664,352 = 5,664,352 : x
2. Step 2: Convert to fraction form
   2,615,178/5,664,352 = 5,664,352/x
3. Step 3: Cross multiply
   2,615,178x = 5,664,352 × 5,664,352
4. Step 4: Simplify right side
   2,615,178x = 32,084,883,579,904
5. Step 5: Solve for x
   x = 32,084,883,579,904/2,615,178
6. Step 6: Final answer
   x = 12,268,718.83