Finding the Third Proportional to 13,085,800 and 19,864,140

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085,800 : 19,864,140 = 19,864,140 : x
2. Step 2: Convert to fraction form
   13,085,800/19,864,140 = 19,864,140/x
3. Step 3: Cross multiply
   13,085,800x = 19,864,140 × 19,864,140
4. Step 4: Simplify right side
   13,085,800x = 394,584,057,939,600
5. Step 5: Solve for x
   x = 394,584,057,939,600/13,085,800
6. Step 6: Final answer
   x = 30,153,606.04