Finding the Third Proportional to 1,111,143 and 2,390,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,143 : 2,390,900 = 2,390,900 : x
2. Step 2: Convert to fraction form
   1,111,143/2,390,900 = 2,390,900/x
3. Step 3: Cross multiply
   1,111,143x = 2,390,900 × 2,390,900
4. Step 4: Simplify right side
   1,111,143x = 5,716,402,810,000
5. Step 5: Solve for x
   x = 5,716,402,810,000/1,111,143
6. Step 6: Final answer
   x = 5,144,614.88