Finding the Third Proportional to 3,619,905 and 7,490,361

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619,905 : 7,490,361 = 7,490,361 : x
2. Step 2: Convert to fraction form
   3,619,905/7,490,361 = 7,490,361/x
3. Step 3: Cross multiply
   3,619,905x = 7,490,361 × 7,490,361
4. Step 4: Simplify right side
   3,619,905x = 56,105,507,910,321
5. Step 5: Solve for x
   x = 56,105,507,910,321/3,619,905
6. Step 6: Final answer
   x = 15,499,165.84