Finding the Third Proportional to 5,411,574 and 8,562,609

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411,574 : 8,562,609 = 8,562,609 : x
2. Step 2: Convert to fraction form
   5,411,574/8,562,609 = 8,562,609/x
3. Step 3: Cross multiply
   5,411,574x = 8,562,609 × 8,562,609
4. Step 4: Simplify right side
   5,411,574x = 73,318,272,886,881
5. Step 5: Solve for x
   x = 73,318,272,886,881/5,411,574
6. Step 6: Final answer
   x = 13,548,419.16