Finding the Third Proportional to 1,217,470 and 1,892,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,470 : 1,892,520 = 1,892,520 : x
2. Step 2: Convert to fraction form
   1,217,470/1,892,520 = 1,892,520/x
3. Step 3: Cross multiply
   1,217,470x = 1,892,520 × 1,892,520
4. Step 4: Simplify right side
   1,217,470x = 3,581,631,950,400
5. Step 5: Solve for x
   x = 3,581,631,950,400/1,217,470
6. Step 6: Final answer
   x = 2,941,864.65