Finding the Third Proportional to 903,148 and 1,990,600

Step by Step Solution

1. Step 1: Write the proportion equation
   903,148 : 1,990,600 = 1,990,600 : x
2. Step 2: Convert to fraction form
   903,148/1,990,600 = 1,990,600/x
3. Step 3: Cross multiply
   903,148x = 1,990,600 × 1,990,600
4. Step 4: Simplify right side
   903,148x = 3,962,488,360,000
5. Step 5: Solve for x
   x = 3,962,488,360,000/903,148
6. Step 6: Final answer
   x = 4,387,418.63