Finding the Third Proportional to 1,137,392 and 2,405,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,392 : 2,405,248 = 2,405,248 : x
2. Step 2: Convert to fraction form
   1,137,392/2,405,248 = 2,405,248/x
3. Step 3: Cross multiply
   1,137,392x = 2,405,248 × 2,405,248
4. Step 4: Simplify right side
   1,137,392x = 5,785,217,941,504
5. Step 5: Solve for x
   x = 5,785,217,941,504/1,137,392
6. Step 6: Final answer
   x = 5,086,388.81