Finding the Third Proportional to 1,663,394 and 3,609,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,394 : 3,609,116 = 3,609,116 : x
2. Step 2: Convert to fraction form
   1,663,394/3,609,116 = 3,609,116/x
3. Step 3: Cross multiply
   1,663,394x = 3,609,116 × 3,609,116
4. Step 4: Simplify right side
   1,663,394x = 13,025,718,301,456
5. Step 5: Solve for x
   x = 13,025,718,301,456/1,663,394
6. Step 6: Final answer
   x = 7,830,807.55