Finding the Third Proportional to 13,288,215 and 19,002,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,215 : 19,002,010.50 = 19,002,010.50 : x
2. Step 2: Convert to fraction form
   13,288,215/19,002,010.50 = 19,002,010.50/x
3. Step 3: Cross multiply
   13,288,215x = 19,002,010.50 × 19,002,010.50
4. Step 4: Simplify right side
   13,288,215x = 361,076,403,042,110.25
5. Step 5: Solve for x
   x = 361,076,403,042,110.25/13,288,215
6. Step 6: Final answer
   x = 27,172,679.18