Finding the Third Proportional to 5,322,603 and 8,338,680

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322,603 : 8,338,680 = 8,338,680 : x
2. Step 2: Convert to fraction form
   5,322,603/8,338,680 = 8,338,680/x
3. Step 3: Cross multiply
   5,322,603x = 8,338,680 × 8,338,680
4. Step 4: Simplify right side
   5,322,603x = 69,533,584,142,400
5. Step 5: Solve for x
   x = 69,533,584,142,400/5,322,603
6. Step 6: Final answer
   x = 13,063,830.64