Finding the Third Proportional to 13,997,156 and 20,015,958

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997,156 : 20,015,958 = 20,015,958 : x
2. Step 2: Convert to fraction form
   13,997,156/20,015,958 = 20,015,958/x
3. Step 3: Cross multiply
   13,997,156x = 20,015,958 × 20,015,958
4. Step 4: Simplify right side
   13,997,156x = 400,638,574,657,764
5. Step 5: Solve for x
   x = 400,638,574,657,764/13,997,156
6. Step 6: Final answer
   x = 28,622,855.58