Finding the Third Proportional to 1,315,604 and 3,075,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,604 : 3,075,890 = 3,075,890 : x
2. Step 2: Convert to fraction form
   1,315,604/3,075,890 = 3,075,890/x
3. Step 3: Cross multiply
   1,315,604x = 3,075,890 × 3,075,890
4. Step 4: Simplify right side
   1,315,604x = 9,461,099,292,100
5. Step 5: Solve for x
   x = 9,461,099,292,100/1,315,604
6. Step 6: Final answer
   x = 7,191,449.17