Finding the Third Proportional to 5,319,692 and 8,424,897

Step by Step Solution

1. Step 1: Write the proportion equation
   5,319,692 : 8,424,897 = 8,424,897 : x
2. Step 2: Convert to fraction form
   5,319,692/8,424,897 = 8,424,897/x
3. Step 3: Cross multiply
   5,319,692x = 8,424,897 × 8,424,897
4. Step 4: Simplify right side
   5,319,692x = 70,978,889,460,609
5. Step 5: Solve for x
   x = 70,978,889,460,609/5,319,692
6. Step 6: Final answer
   x = 13,342,668.99