Finding the Third Proportional to 9,955,017 and 21,719,724

Step by Step Solution

1. Step 1: Write the proportion equation
   9,955,017 : 21,719,724 = 21,719,724 : x
2. Step 2: Convert to fraction form
   9,955,017/21,719,724 = 21,719,724/x
3. Step 3: Cross multiply
   9,955,017x = 21,719,724 × 21,719,724
4. Step 4: Simplify right side
   9,955,017x = 471,746,410,636,176
5. Step 5: Solve for x
   x = 471,746,410,636,176/9,955,017
6. Step 6: Final answer
   x = 47,387,805.63