Finding the Third Proportional to 8,075,454 and 12,412,521

Step by Step Solution

1. Step 1: Write the proportion equation
   8,075,454 : 12,412,521 = 12,412,521 : x
2. Step 2: Convert to fraction form
   8,075,454/12,412,521 = 12,412,521/x
3. Step 3: Cross multiply
   8,075,454x = 12,412,521 × 12,412,521
4. Step 4: Simplify right side
   8,075,454x = 154,070,677,575,441
5. Step 5: Solve for x
   x = 154,070,677,575,441/8,075,454
6. Step 6: Final answer
   x = 19,078,887.40