Finding the Third Proportional to 903,280 and 1,321,000

Step by Step Solution

1. Step 1: Write the proportion equation
   903,280 : 1,321,000 = 1,321,000 : x
2. Step 2: Convert to fraction form
   903,280/1,321,000 = 1,321,000/x
3. Step 3: Cross multiply
   903,280x = 1,321,000 × 1,321,000
4. Step 4: Simplify right side
   903,280x = 1,745,041,000,000
5. Step 5: Solve for x
   x = 1,745,041,000,000/903,280
6. Step 6: Final answer
   x = 1,931,893.76