Finding the Third Proportional to 17,039,128 and 36,676,406

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039,128 : 36,676,406 = 36,676,406 : x
2. Step 2: Convert to fraction form
   17,039,128/36,676,406 = 36,676,406/x
3. Step 3: Cross multiply
   17,039,128x = 36,676,406 × 36,676,406
4. Step 4: Simplify right side
   17,039,128x = 1,345,158,757,076,836
5. Step 5: Solve for x
   x = 1,345,158,757,076,836/17,039,128
6. Step 6: Final answer
   x = 78,945,281.54