Finding the Third Proportional to 373,156 and 805,280

Step by Step Solution

1. Step 1: Write the proportion equation
   373,156 : 805,280 = 805,280 : x
2. Step 2: Convert to fraction form
   373,156/805,280 = 805,280/x
3. Step 3: Cross multiply
   373,156x = 805,280 × 805,280
4. Step 4: Simplify right side
   373,156x = 648,475,878,400
5. Step 5: Solve for x
   x = 648,475,878,400/373,156
6. Step 6: Final answer
   x = 1,737,814.42