Finding the Third Proportional to 866,397 and 1,900,188

Step by Step Solution

1. Step 1: Write the proportion equation
   866,397 : 1,900,188 = 1,900,188 : x
2. Step 2: Convert to fraction form
   866,397/1,900,188 = 1,900,188/x
3. Step 3: Cross multiply
   866,397x = 1,900,188 × 1,900,188
4. Step 4: Simplify right side
   866,397x = 3,610,714,435,344
5. Step 5: Solve for x
   x = 3,610,714,435,344/866,397
6. Step 6: Final answer
   x = 4,167,505.70