Finding the Third Proportional to 8,507,388 and 13,076,442

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,388 : 13,076,442 = 13,076,442 : x
2. Step 2: Convert to fraction form
   8,507,388/13,076,442 = 13,076,442/x
3. Step 3: Cross multiply
   8,507,388x = 13,076,442 × 13,076,442
4. Step 4: Simplify right side
   8,507,388x = 170,993,335,379,364
5. Step 5: Solve for x
   x = 170,993,335,379,364/8,507,388
6. Step 6: Final answer
   x = 20,099,393.07