Finding the Third Proportional to 8,507,316 and 13,076,355

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,316 : 13,076,355 = 13,076,355 : x
2. Step 2: Convert to fraction form
   8,507,316/13,076,355 = 13,076,355/x
3. Step 3: Cross multiply
   8,507,316x = 13,076,355 × 13,076,355
4. Step 4: Simplify right side
   8,507,316x = 170,991,060,086,025
5. Step 5: Solve for x
   x = 170,991,060,086,025/8,507,316
6. Step 6: Final answer
   x = 20,099,295.72