Finding the Third Proportional to 4,638,913 and 9,596,034

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,913 : 9,596,034 = 9,596,034 : x
2. Step 2: Convert to fraction form
   4,638,913/9,596,034 = 9,596,034/x
3. Step 3: Cross multiply
   4,638,913x = 9,596,034 × 9,596,034
4. Step 4: Simplify right side
   4,638,913x = 92,083,868,529,156
5. Step 5: Solve for x
   x = 92,083,868,529,156/4,638,913
6. Step 6: Final answer
   x = 19,850,311.60