Finding the Third Proportional to 866,116 and 1,889,624

Step by Step Solution

1. Step 1: Write the proportion equation
   866,116 : 1,889,624 = 1,889,624 : x
2. Step 2: Convert to fraction form
   866,116/1,889,624 = 1,889,624/x
3. Step 3: Cross multiply
   866,116x = 1,889,624 × 1,889,624
4. Step 4: Simplify right side
   866,116x = 3,570,678,861,376
5. Step 5: Solve for x
   x = 3,570,678,861,376/866,116
6. Step 6: Final answer
   x = 4,122,633.53