Finding the Third Proportional to 1,306,412 and 2,665,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,412 : 2,665,310 = 2,665,310 : x
2. Step 2: Convert to fraction form
   1,306,412/2,665,310 = 2,665,310/x
3. Step 3: Cross multiply
   1,306,412x = 2,665,310 × 2,665,310
4. Step 4: Simplify right side
   1,306,412x = 7,103,877,396,100
5. Step 5: Solve for x
   x = 7,103,877,396,100/1,306,412
6. Step 6: Final answer
   x = 5,437,700.66