Finding the Third Proportional to 5,460,886 and 8,479,066

Step by Step Solution

1. Step 1: Write the proportion equation
   5,460,886 : 8,479,066 = 8,479,066 : x
2. Step 2: Convert to fraction form
   5,460,886/8,479,066 = 8,479,066/x
3. Step 3: Cross multiply
   5,460,886x = 8,479,066 × 8,479,066
4. Step 4: Simplify right side
   5,460,886x = 71,894,560,232,356
5. Step 5: Solve for x
   x = 71,894,560,232,356/5,460,886
6. Step 6: Final answer
   x = 13,165,365.52