Finding the Third Proportional to 2,906,154 and 3,989,358

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,154 : 3,989,358 = 3,989,358 : x
2. Step 2: Convert to fraction form
   2,906,154/3,989,358 = 3,989,358/x
3. Step 3: Cross multiply
   2,906,154x = 3,989,358 × 3,989,358
4. Step 4: Simplify right side
   2,906,154x = 15,914,977,252,164
5. Step 5: Solve for x
   x = 15,914,977,252,164/2,906,154
6. Step 6: Final answer
   x = 5,476,302.10