Finding the Third Proportional to 499,820 and 1,088,380

Step by Step Solution

1. Step 1: Write the proportion equation
   499,820 : 1,088,380 = 1,088,380 : x
2. Step 2: Convert to fraction form
   499,820/1,088,380 = 1,088,380/x
3. Step 3: Cross multiply
   499,820x = 1,088,380 × 1,088,380
4. Step 4: Simplify right side
   499,820x = 1,184,571,024,400
5. Step 5: Solve for x
   x = 1,184,571,024,400/499,820
6. Step 6: Final answer
   x = 2,369,995.25