Finding the Third Proportional to 1,209,864 and 1,857,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,864 : 1,857,094.50 = 1,857,094.50 : x
2. Step 2: Convert to fraction form
   1,209,864/1,857,094.50 = 1,857,094.50/x
3. Step 3: Cross multiply
   1,209,864x = 1,857,094.50 × 1,857,094.50
4. Step 4: Simplify right side
   1,209,864x = 3,448,799,981,930.25
5. Step 5: Solve for x
   x = 3,448,799,981,930.25/1,209,864
6. Step 6: Final answer
   x = 2,850,568.31