Finding the Third Proportional to 920,868 and 1,429,126

Step by Step Solution

1. Step 1: Write the proportion equation
   920,868 : 1,429,126 = 1,429,126 : x
2. Step 2: Convert to fraction form
   920,868/1,429,126 = 1,429,126/x
3. Step 3: Cross multiply
   920,868x = 1,429,126 × 1,429,126
4. Step 4: Simplify right side
   920,868x = 2,042,401,123,876
5. Step 5: Solve for x
   x = 2,042,401,123,876/920,868
6. Step 6: Final answer
   x = 2,217,908.67