Finding the Third Proportional to 866,560 and 1,870,130

Step by Step Solution

1. Step 1: Write the proportion equation
   866,560 : 1,870,130 = 1,870,130 : x
2. Step 2: Convert to fraction form
   866,560/1,870,130 = 1,870,130/x
3. Step 3: Cross multiply
   866,560x = 1,870,130 × 1,870,130
4. Step 4: Simplify right side
   866,560x = 3,497,386,216,900
5. Step 5: Solve for x
   x = 3,497,386,216,900/866,560
6. Step 6: Final answer
   x = 4,035,942.37