Finding the Third Proportional to 866,554 and 1,870,118

Step by Step Solution

1. Step 1: Write the proportion equation
   866,554 : 1,870,118 = 1,870,118 : x
2. Step 2: Convert to fraction form
   866,554/1,870,118 = 1,870,118/x
3. Step 3: Cross multiply
   866,554x = 1,870,118 × 1,870,118
4. Step 4: Simplify right side
   866,554x = 3,497,341,333,924
5. Step 5: Solve for x
   x = 3,497,341,333,924/866,554
6. Step 6: Final answer
   x = 4,035,918.52