Finding the Third Proportional to 3,445,240 and 5,288,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,240 : 5,288,392 = 5,288,392 : x
2. Step 2: Convert to fraction form
   3,445,240/5,288,392 = 5,288,392/x
3. Step 3: Cross multiply
   3,445,240x = 5,288,392 × 5,288,392
4. Step 4: Simplify right side
   3,445,240x = 27,967,089,945,664
5. Step 5: Solve for x
   x = 27,967,089,945,664/3,445,240
6. Step 6: Final answer
   x = 8,117,602.82