Finding the Third Proportional to 9,143,340 and 12,453,654

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,340 : 12,453,654 = 12,453,654 : x
2. Step 2: Convert to fraction form
   9,143,340/12,453,654 = 12,453,654/x
3. Step 3: Cross multiply
   9,143,340x = 12,453,654 × 12,453,654
4. Step 4: Simplify right side
   9,143,340x = 155,093,497,951,716
5. Step 5: Solve for x
   x = 155,093,497,951,716/9,143,340
6. Step 6: Final answer
   x = 16,962,455.51