Finding the Third Proportional to 812,704 and 1,869,112

Step by Step Solution

1. Step 1: Write the proportion equation
   812,704 : 1,869,112 = 1,869,112 : x
2. Step 2: Convert to fraction form
   812,704/1,869,112 = 1,869,112/x
3. Step 3: Cross multiply
   812,704x = 1,869,112 × 1,869,112
4. Step 4: Simplify right side
   812,704x = 3,493,579,668,544
5. Step 5: Solve for x
   x = 3,493,579,668,544/812,704
6. Step 6: Final answer
   x = 4,298,711.05