Finding the Third Proportional to 989,180 and 1,488,410

Step by Step Solution

1. Step 1: Write the proportion equation
   989,180 : 1,488,410 = 1,488,410 : x
2. Step 2: Convert to fraction form
   989,180/1,488,410 = 1,488,410/x
3. Step 3: Cross multiply
   989,180x = 1,488,410 × 1,488,410
4. Step 4: Simplify right side
   989,180x = 2,215,364,328,100
5. Step 5: Solve for x
   x = 2,215,364,328,100/989,180
6. Step 6: Final answer
   x = 2,239,596.77