Finding the Third Proportional to 1,197,139 and 2,660,012

Step by Step Solution

1. Step 1: Write the proportion equation
   1,197,139 : 2,660,012 = 2,660,012 : x
2. Step 2: Convert to fraction form
   1,197,139/2,660,012 = 2,660,012/x
3. Step 3: Cross multiply
   1,197,139x = 2,660,012 × 2,660,012
4. Step 4: Simplify right side
   1,197,139x = 7,075,663,840,144
5. Step 5: Solve for x
   x = 7,075,663,840,144/1,197,139
6. Step 6: Final answer
   x = 5,910,478.10