Finding the Third Proportional to 5,390,484.75 and 8,141,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,390,484.75 : 8,141,870.25 = 8,141,870.25 : x
2. Step 2: Convert to fraction form
   5,390,484.75/8,141,870.25 = 8,141,870.25/x
3. Step 3: Cross multiply
   5,390,484.75x = 8,141,870.25 × 8,141,870.25
4. Step 4: Simplify right side
   5,390,484.75x = 66,290,051,167,835.06
5. Step 5: Solve for x
   x = 66,290,051,167,835.06/5,390,484.75
6. Step 6: Final answer
   x = 12,297,604.81