Finding the Third Proportional to 858,451.50 and 1,849,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   858,451.50 : 1,849,756.50 = 1,849,756.50 : x
2. Step 2: Convert to fraction form
   858,451.50/1,849,756.50 = 1,849,756.50/x
3. Step 3: Cross multiply
   858,451.50x = 1,849,756.50 × 1,849,756.50
4. Step 4: Simplify right side
   858,451.50x = 3,421,599,109,292.25
5. Step 5: Solve for x
   x = 3,421,599,109,292.25/858,451.50
6. Step 6: Final answer
   x = 3,985,780.34