Finding the Third Proportional to 499,790 and 1,088,320

Step by Step Solution

1. Step 1: Write the proportion equation
   499,790 : 1,088,320 = 1,088,320 : x
2. Step 2: Convert to fraction form
   499,790/1,088,320 = 1,088,320/x
3. Step 3: Cross multiply
   499,790x = 1,088,320 × 1,088,320
4. Step 4: Simplify right side
   499,790x = 1,184,440,422,400
5. Step 5: Solve for x
   x = 1,184,440,422,400/499,790
6. Step 6: Final answer
   x = 2,369,876.19