Finding the Third Proportional to 800,176 and 1,238,172

Step by Step Solution

1. Step 1: Write the proportion equation
   800,176 : 1,238,172 = 1,238,172 : x
2. Step 2: Convert to fraction form
   800,176/1,238,172 = 1,238,172/x
3. Step 3: Cross multiply
   800,176x = 1,238,172 × 1,238,172
4. Step 4: Simplify right side
   800,176x = 1,533,069,901,584
5. Step 5: Solve for x
   x = 1,533,069,901,584/800,176
6. Step 6: Final answer
   x = 1,915,915.88