Finding the Third Proportional to 10,638,680 and 16,848,674

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638,680 : 16,848,674 = 16,848,674 : x
2. Step 2: Convert to fraction form
   10,638,680/16,848,674 = 16,848,674/x
3. Step 3: Cross multiply
   10,638,680x = 16,848,674 × 16,848,674
4. Step 4: Simplify right side
   10,638,680x = 283,877,815,558,276
5. Step 5: Solve for x
   x = 283,877,815,558,276/10,638,680
6. Step 6: Final answer
   x = 26,683,556.19