Finding the Third Proportional to 5,503,128 and 7,473,108

Step by Step Solution

1. Step 1: Write the proportion equation
   5,503,128 : 7,473,108 = 7,473,108 : x
2. Step 2: Convert to fraction form
   5,503,128/7,473,108 = 7,473,108/x
3. Step 3: Cross multiply
   5,503,128x = 7,473,108 × 7,473,108
4. Step 4: Simplify right side
   5,503,128x = 55,847,343,179,664
5. Step 5: Solve for x
   x = 55,847,343,179,664/5,503,128
6. Step 6: Final answer
   x = 10,148,290.79