Finding the Third Proportional to 812,564 and 1,880,830

Step by Step Solution

1. Step 1: Write the proportion equation
   812,564 : 1,880,830 = 1,880,830 : x
2. Step 2: Convert to fraction form
   812,564/1,880,830 = 1,880,830/x
3. Step 3: Cross multiply
   812,564x = 1,880,830 × 1,880,830
4. Step 4: Simplify right side
   812,564x = 3,537,521,488,900
5. Step 5: Solve for x
   x = 3,537,521,488,900/812,564
6. Step 6: Final answer
   x = 4,353,529.68