Finding the Third Proportional to 920,680 and 1,905,296

Step by Step Solution

1. Step 1: Write the proportion equation
   920,680 : 1,905,296 = 1,905,296 : x
2. Step 2: Convert to fraction form
   920,680/1,905,296 = 1,905,296/x
3. Step 3: Cross multiply
   920,680x = 1,905,296 × 1,905,296
4. Step 4: Simplify right side
   920,680x = 3,630,152,847,616
5. Step 5: Solve for x
   x = 3,630,152,847,616/920,680
6. Step 6: Final answer
   x = 3,942,903.99