Finding the Third Proportional to 812,844 and 1,786,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   812,844 : 1,786,585.50 = 1,786,585.50 : x
2. Step 2: Convert to fraction form
   812,844/1,786,585.50 = 1,786,585.50/x
3. Step 3: Cross multiply
   812,844x = 1,786,585.50 × 1,786,585.50
4. Step 4: Simplify right side
   812,844x = 3,191,887,748,810.25
5. Step 5: Solve for x
   x = 3,191,887,748,810.25/812,844
6. Step 6: Final answer
   x = 3,926,814.68