Finding the Third Proportional to 1,691,632 and 3,647,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,632 : 3,647,340 = 3,647,340 : x
2. Step 2: Convert to fraction form
   1,691,632/3,647,340 = 3,647,340/x
3. Step 3: Cross multiply
   1,691,632x = 3,647,340 × 3,647,340
4. Step 4: Simplify right side
   1,691,632x = 13,303,089,075,600
5. Step 5: Solve for x
   x = 13,303,089,075,600/1,691,632
6. Step 6: Final answer
   x = 7,864,056.18