Finding the Third Proportional to 451,640 and 973,780

Step by Step Solution

1. Step 1: Write the proportion equation
   451,640 : 973,780 = 973,780 : x
2. Step 2: Convert to fraction form
   451,640/973,780 = 973,780/x
3. Step 3: Cross multiply
   451,640x = 973,780 × 973,780
4. Step 4: Simplify right side
   451,640x = 948,247,488,400
5. Step 5: Solve for x
   x = 948,247,488,400/451,640
6. Step 6: Final answer
   x = 2,099,564.89