Finding the Third Proportional to 367,848 and 788,172

Step by Step Solution

1. Step 1: Write the proportion equation
   367,848 : 788,172 = 788,172 : x
2. Step 2: Convert to fraction form
   367,848/788,172 = 788,172/x
3. Step 3: Cross multiply
   367,848x = 788,172 × 788,172
4. Step 4: Simplify right side
   367,848x = 621,215,101,584
5. Step 5: Solve for x
   x = 621,215,101,584/367,848
6. Step 6: Final answer
   x = 1,688,782.06