Finding the Third Proportional to 2,731,990 and 4,009,409

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,990 : 4,009,409 = 4,009,409 : x
2. Step 2: Convert to fraction form
   2,731,990/4,009,409 = 4,009,409/x
3. Step 3: Cross multiply
   2,731,990x = 4,009,409 × 4,009,409
4. Step 4: Simplify right side
   2,731,990x = 16,075,360,529,281
5. Step 5: Solve for x
   x = 16,075,360,529,281/2,731,990
6. Step 6: Final answer
   x = 5,884,121.29