Finding the Third Proportional to 1,641,378 and 3,704,213

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,378 : 3,704,213 = 3,704,213 : x
2. Step 2: Convert to fraction form
   1,641,378/3,704,213 = 3,704,213/x
3. Step 3: Cross multiply
   1,641,378x = 3,704,213 × 3,704,213
4. Step 4: Simplify right side
   1,641,378x = 13,721,193,949,369
5. Step 5: Solve for x
   x = 13,721,193,949,369/1,641,378
6. Step 6: Final answer
   x = 8,359,557.61