Finding the Third Proportional to 5,319,345 and 8,424,348

Step by Step Solution

1. Step 1: Write the proportion equation
   5,319,345 : 8,424,348 = 8,424,348 : x
2. Step 2: Convert to fraction form
   5,319,345/8,424,348 = 8,424,348/x
3. Step 3: Cross multiply
   5,319,345x = 8,424,348 × 8,424,348
4. Step 4: Simplify right side
   5,319,345x = 70,969,639,225,104
5. Step 5: Solve for x
   x = 70,969,639,225,104/5,319,345
6. Step 6: Final answer
   x = 13,341,800.40