Finding the Third Proportional to 9,143,330.63 and 12,453,643.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,330.63 : 12,453,643.69 = 12,453,643.69 : x
2. Step 2: Convert to fraction form
   9,143,330.63/12,453,643.69 = 12,453,643.69/x
3. Step 3: Cross multiply
   9,143,330.63x = 12,453,643.69 × 12,453,643.69
4. Step 4: Simplify right side
   9,143,330.63x = 155,093,241,095,208.59
5. Step 5: Solve for x
   x = 155,093,241,095,208.59/9,143,330.63
6. Step 6: Final answer
   x = 16,962,444.81