Finding the Third Proportional to 9,908,638 and 13,953,164

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908,638 : 13,953,164 = 13,953,164 : x
2. Step 2: Convert to fraction form
   9,908,638/13,953,164 = 13,953,164/x
3. Step 3: Cross multiply
   9,908,638x = 13,953,164 × 13,953,164
4. Step 4: Simplify right side
   9,908,638x = 194,690,785,610,896
5. Step 5: Solve for x
   x = 194,690,785,610,896/9,908,638
6. Step 6: Final answer
   x = 19,648,592.03