Finding the Third Proportional to 870,796.50 and 1,886,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   870,796.50 : 1,886,908.50 = 1,886,908.50 : x
2. Step 2: Convert to fraction form
   870,796.50/1,886,908.50 = 1,886,908.50/x
3. Step 3: Cross multiply
   870,796.50x = 1,886,908.50 × 1,886,908.50
4. Step 4: Simplify right side
   870,796.50x = 3,560,423,687,372.25
5. Step 5: Solve for x
   x = 3,560,423,687,372.25/870,796.50
6. Step 6: Final answer
   x = 4,088,697.75