Finding the Third Proportional to 1,249,191 and 2,712,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,191 : 2,712,428 = 2,712,428 : x
2. Step 2: Convert to fraction form
   1,249,191/2,712,428 = 2,712,428/x
3. Step 3: Cross multiply
   1,249,191x = 2,712,428 × 2,712,428
4. Step 4: Simplify right side
   1,249,191x = 7,357,265,655,184
5. Step 5: Solve for x
   x = 7,357,265,655,184/1,249,191
6. Step 6: Final answer
   x = 5,889,624.29