Finding the Third Proportional to 7,694,391 and 12,007,419

Step by Step Solution

1. Step 1: Write the proportion equation
   7,694,391 : 12,007,419 = 12,007,419 : x
2. Step 2: Convert to fraction form
   7,694,391/12,007,419 = 12,007,419/x
3. Step 3: Cross multiply
   7,694,391x = 12,007,419 × 12,007,419
4. Step 4: Simplify right side
   7,694,391x = 144,178,111,041,561
5. Step 5: Solve for x
   x = 144,178,111,041,561/7,694,391
6. Step 6: Final answer
   x = 18,738,079.60