Finding the Third Proportional to 5,465,478 and 8,168,091

Step by Step Solution

1. Step 1: Write the proportion equation
   5,465,478 : 8,168,091 = 8,168,091 : x
2. Step 2: Convert to fraction form
   5,465,478/8,168,091 = 8,168,091/x
3. Step 3: Cross multiply
   5,465,478x = 8,168,091 × 8,168,091
4. Step 4: Simplify right side
   5,465,478x = 66,717,710,584,281
5. Step 5: Solve for x
   x = 66,717,710,584,281/5,465,478
6. Step 6: Final answer
   x = 12,207,113.56