Finding the Third Proportional to 999,243 and 2,141,262

Step by Step Solution

1. Step 1: Write the proportion equation
   999,243 : 2,141,262 = 2,141,262 : x
2. Step 2: Convert to fraction form
   999,243/2,141,262 = 2,141,262/x
3. Step 3: Cross multiply
   999,243x = 2,141,262 × 2,141,262
4. Step 4: Simplify right side
   999,243x = 4,585,002,952,644
5. Step 5: Solve for x
   x = 4,585,002,952,644/999,243
6. Step 6: Final answer
   x = 4,588,476.43