Finding the Third Proportional to 4,342,140 and 9,281,844

Step by Step Solution

1. Step 1: Write the proportion equation
   4,342,140 : 9,281,844 = 9,281,844 : x
2. Step 2: Convert to fraction form
   4,342,140/9,281,844 = 9,281,844/x
3. Step 3: Cross multiply
   4,342,140x = 9,281,844 × 9,281,844
4. Step 4: Simplify right side
   4,342,140x = 86,152,628,040,336
5. Step 5: Solve for x
   x = 86,152,628,040,336/4,342,140
6. Step 6: Final answer
   x = 19,841,052.58