Finding the Third Proportional to 13,997,145.94 and 20,015,942.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997,145.94 : 20,015,942.91 = 20,015,942.91 : x
2. Step 2: Convert to fraction form
   13,997,145.94/20,015,942.91 = 20,015,942.91/x
3. Step 3: Cross multiply
   13,997,145.94x = 20,015,942.91 × 20,015,942.91
4. Step 4: Simplify right side
   13,997,145.94x = 400,637,970,426,259.69
5. Step 5: Solve for x
   x = 400,637,970,426,259.69/13,997,145.94
6. Step 6: Final answer
   x = 28,622,832.98