Finding the Third Proportional to 920,676 and 1,969,280

Step by Step Solution

1. Step 1: Write the proportion equation
   920,676 : 1,969,280 = 1,969,280 : x
2. Step 2: Convert to fraction form
   920,676/1,969,280 = 1,969,280/x
3. Step 3: Cross multiply
   920,676x = 1,969,280 × 1,969,280
4. Step 4: Simplify right side
   920,676x = 3,878,063,718,400
5. Step 5: Solve for x
   x = 3,878,063,718,400/920,676
6. Step 6: Final answer
   x = 4,212,191.61