Finding the Third Proportional to 8,507,376 and 13,076,434

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,376 : 13,076,434 = 13,076,434 : x
2. Step 2: Convert to fraction form
   8,507,376/13,076,434 = 13,076,434/x
3. Step 3: Cross multiply
   8,507,376x = 13,076,434 × 13,076,434
4. Step 4: Simplify right side
   8,507,376x = 170,993,126,156,356
5. Step 5: Solve for x
   x = 170,993,126,156,356/8,507,376
6. Step 6: Final answer
   x = 20,099,396.82