Finding the Third Proportional to 899,218.50 and 1,881,570

Step by Step Solution

1. Step 1: Write the proportion equation
   899,218.50 : 1,881,570 = 1,881,570 : x
2. Step 2: Convert to fraction form
   899,218.50/1,881,570 = 1,881,570/x
3. Step 3: Cross multiply
   899,218.50x = 1,881,570 × 1,881,570
4. Step 4: Simplify right side
   899,218.50x = 3,540,305,664,900
5. Step 5: Solve for x
   x = 3,540,305,664,900/899,218.50
6. Step 6: Final answer
   x = 3,937,091.67