Finding the Third Proportional to 9,870,844 and 13,447,338

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870,844 : 13,447,338 = 13,447,338 : x
2. Step 2: Convert to fraction form
   9,870,844/13,447,338 = 13,447,338/x
3. Step 3: Cross multiply
   9,870,844x = 13,447,338 × 13,447,338
4. Step 4: Simplify right side
   9,870,844x = 180,830,899,286,244
5. Step 5: Solve for x
   x = 180,830,899,286,244/9,870,844
6. Step 6: Final answer
   x = 18,319,699.84