Finding the Third Proportional to 13,443,812 and 20,664,102

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443,812 : 20,664,102 = 20,664,102 : x
2. Step 2: Convert to fraction form
   13,443,812/20,664,102 = 20,664,102/x
3. Step 3: Cross multiply
   13,443,812x = 20,664,102 × 20,664,102
4. Step 4: Simplify right side
   13,443,812x = 427,005,111,466,404
5. Step 5: Solve for x
   x = 427,005,111,466,404/13,443,812
6. Step 6: Final answer
   x = 31,762,204.91