Finding the Third Proportional to 919,438 and 1,427,270

Step by Step Solution

1. Step 1: Write the proportion equation
   919,438 : 1,427,270 = 1,427,270 : x
2. Step 2: Convert to fraction form
   919,438/1,427,270 = 1,427,270/x
3. Step 3: Cross multiply
   919,438x = 1,427,270 × 1,427,270
4. Step 4: Simplify right side
   919,438x = 2,037,099,652,900
5. Step 5: Solve for x
   x = 2,037,099,652,900/919,438
6. Step 6: Final answer
   x = 2,215,592.19