Finding the Third Proportional to 866,126 and 1,889,644

Step by Step Solution

1. Step 1: Write the proportion equation
   866,126 : 1,889,644 = 1,889,644 : x
2. Step 2: Convert to fraction form
   866,126/1,889,644 = 1,889,644/x
3. Step 3: Cross multiply
   866,126x = 1,889,644 × 1,889,644
4. Step 4: Simplify right side
   866,126x = 3,570,754,446,736
5. Step 5: Solve for x
   x = 3,570,754,446,736/866,126
6. Step 6: Final answer
   x = 4,122,673.20