Finding the Third Proportional to 4,638,934 and 9,596,063

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,934 : 9,596,063 = 9,596,063 : x
2. Step 2: Convert to fraction form
   4,638,934/9,596,063 = 9,596,063/x
3. Step 3: Cross multiply
   4,638,934x = 9,596,063 × 9,596,063
4. Step 4: Simplify right side
   4,638,934x = 92,084,425,099,969
5. Step 5: Solve for x
   x = 92,084,425,099,969/4,638,934
6. Step 6: Final answer
   x = 19,850,341.72