Finding the Third Proportional to 4,769,478 and 7,089,417

Step by Step Solution

1. Step 1: Write the proportion equation
   4,769,478 : 7,089,417 = 7,089,417 : x
2. Step 2: Convert to fraction form
   4,769,478/7,089,417 = 7,089,417/x
3. Step 3: Cross multiply
   4,769,478x = 7,089,417 × 7,089,417
4. Step 4: Simplify right side
   4,769,478x = 50,259,833,399,889
5. Step 5: Solve for x
   x = 50,259,833,399,889/4,769,478
6. Step 6: Final answer
   x = 10,537,805.90