Finding the Third Proportional to 12,986,432 and 20,562,592

Step by Step Solution

1. Step 1: Write the proportion equation
   12,986,432 : 20,562,592 = 20,562,592 : x
2. Step 2: Convert to fraction form
   12,986,432/20,562,592 = 20,562,592/x
3. Step 3: Cross multiply
   12,986,432x = 20,562,592 × 20,562,592
4. Step 4: Simplify right side
   12,986,432x = 422,820,189,758,464
5. Step 5: Solve for x
   x = 422,820,189,758,464/12,986,432
6. Step 6: Final answer
   x = 32,558,611.15