Finding the Third Proportional to 13,827,300 and 19,918,692

Step by Step Solution

1. Step 1: Write the proportion equation
   13,827,300 : 19,918,692 = 19,918,692 : x
2. Step 2: Convert to fraction form
   13,827,300/19,918,692 = 19,918,692/x
3. Step 3: Cross multiply
   13,827,300x = 19,918,692 × 19,918,692
4. Step 4: Simplify right side
   13,827,300x = 396,754,290,990,864
5. Step 5: Solve for x
   x = 396,754,290,990,864/13,827,300
6. Step 6: Final answer
   x = 28,693,547.62