Finding the Third Proportional to 920,684 and 1,969,296

Step by Step Solution

1. Step 1: Write the proportion equation
   920,684 : 1,969,296 = 1,969,296 : x
2. Step 2: Convert to fraction form
   920,684/1,969,296 = 1,969,296/x
3. Step 3: Cross multiply
   920,684x = 1,969,296 × 1,969,296
4. Step 4: Simplify right side
   920,684x = 3,878,126,735,616
5. Step 5: Solve for x
   x = 3,878,126,735,616/920,684
6. Step 6: Final answer
   x = 4,212,223.45