Finding the Third Proportional to 866,558 and 1,870,126

Step by Step Solution

1. Step 1: Write the proportion equation
   866,558 : 1,870,126 = 1,870,126 : x
2. Step 2: Convert to fraction form
   866,558/1,870,126 = 1,870,126/x
3. Step 3: Cross multiply
   866,558x = 1,870,126 × 1,870,126
4. Step 4: Simplify right side
   866,558x = 3,497,371,255,876
5. Step 5: Solve for x
   x = 3,497,371,255,876/866,558
6. Step 6: Final answer
   x = 4,035,934.42