Finding the Third Proportional to 186,868 and 438,704

Step by Step Solution

1. Step 1: Write the proportion equation
   186,868 : 438,704 = 438,704 : x
2. Step 2: Convert to fraction form
   186,868/438,704 = 438,704/x
3. Step 3: Cross multiply
   186,868x = 438,704 × 438,704
4. Step 4: Simplify right side
   186,868x = 192,461,199,616
5. Step 5: Solve for x
   x = 192,461,199,616/186,868
6. Step 6: Final answer
   x = 1,029,931.29