Finding the Third Proportional to 917,514 and 2,072,972

Step by Step Solution

1. Step 1: Write the proportion equation
   917,514 : 2,072,972 = 2,072,972 : x
2. Step 2: Convert to fraction form
   917,514/2,072,972 = 2,072,972/x
3. Step 3: Cross multiply
   917,514x = 2,072,972 × 2,072,972
4. Step 4: Simplify right side
   917,514x = 4,297,212,912,784
5. Step 5: Solve for x
   x = 4,297,212,912,784/917,514
6. Step 6: Final answer
   x = 4,683,539.34