Finding the Third Proportional to 659,120 and 1,439,056

Step by Step Solution

1. Step 1: Write the proportion equation
   659,120 : 1,439,056 = 1,439,056 : x
2. Step 2: Convert to fraction form
   659,120/1,439,056 = 1,439,056/x
3. Step 3: Cross multiply
   659,120x = 1,439,056 × 1,439,056
4. Step 4: Simplify right side
   659,120x = 2,070,882,171,136
5. Step 5: Solve for x
   x = 2,070,882,171,136/659,120
6. Step 6: Final answer
   x = 3,141,889.45