Finding the Third Proportional to 1,618,043 and 2,696,418

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,043 : 2,696,418 = 2,696,418 : x
2. Step 2: Convert to fraction form
   1,618,043/2,696,418 = 2,696,418/x
3. Step 3: Cross multiply
   1,618,043x = 2,696,418 × 2,696,418
4. Step 4: Simplify right side
   1,618,043x = 7,270,670,030,724
5. Step 5: Solve for x
   x = 7,270,670,030,724/1,618,043
6. Step 6: Final answer
   x = 4,493,496.17