Finding the Third Proportional to 2,605,248 and 5,490,432

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,248 : 5,490,432 = 5,490,432 : x
2. Step 2: Convert to fraction form
   2,605,248/5,490,432 = 5,490,432/x
3. Step 3: Cross multiply
   2,605,248x = 5,490,432 × 5,490,432
4. Step 4: Simplify right side
   2,605,248x = 30,144,843,546,624
5. Step 5: Solve for x
   x = 30,144,843,546,624/2,605,248
6. Step 6: Final answer
   x = 11,570,815.35