Finding the Third Proportional to 594,184 and 878,172

Step by Step Solution

1. Step 1: Write the proportion equation
   594,184 : 878,172 = 878,172 : x
2. Step 2: Convert to fraction form
   594,184/878,172 = 878,172/x
3. Step 3: Cross multiply
   594,184x = 878,172 × 878,172
4. Step 4: Simplify right side
   594,184x = 771,186,061,584
5. Step 5: Solve for x
   x = 771,186,061,584/594,184
6. Step 6: Final answer
   x = 1,297,890.99