Finding the Third Proportional to 17,991,176 and 27,636,418

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991,176 : 27,636,418 = 27,636,418 : x
2. Step 2: Convert to fraction form
   17,991,176/27,636,418 = 27,636,418/x
3. Step 3: Cross multiply
   17,991,176x = 27,636,418 × 27,636,418
4. Step 4: Simplify right side
   17,991,176x = 763,771,599,870,724
5. Step 5: Solve for x
   x = 763,771,599,870,724/17,991,176
6. Step 6: Final answer
   x = 42,452,566.74