Finding the Third Proportional to 1,638,946 and 3,576,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,946 : 3,576,764 = 3,576,764 : x
2. Step 2: Convert to fraction form
   1,638,946/3,576,764 = 3,576,764/x
3. Step 3: Cross multiply
   1,638,946x = 3,576,764 × 3,576,764
4. Step 4: Simplify right side
   1,638,946x = 12,793,240,711,696
5. Step 5: Solve for x
   x = 12,793,240,711,696/1,638,946
6. Step 6: Final answer
   x = 7,805,773.17