Finding the Third Proportional to 812,234 and 1,786,468

Step by Step Solution

1. Step 1: Write the proportion equation
   812,234 : 1,786,468 = 1,786,468 : x
2. Step 2: Convert to fraction form
   812,234/1,786,468 = 1,786,468/x
3. Step 3: Cross multiply
   812,234x = 1,786,468 × 1,786,468
4. Step 4: Simplify right side
   812,234x = 3,191,467,915,024
5. Step 5: Solve for x
   x = 3,191,467,915,024/812,234
6. Step 6: Final answer
   x = 3,929,246.89