Finding the Third Proportional to 1,018,178 and 2,300,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,178 : 2,300,389 = 2,300,389 : x
2. Step 2: Convert to fraction form
   1,018,178/2,300,389 = 2,300,389/x
3. Step 3: Cross multiply
   1,018,178x = 2,300,389 × 2,300,389
4. Step 4: Simplify right side
   1,018,178x = 5,291,789,551,321
5. Step 5: Solve for x
   x = 5,291,789,551,321/1,018,178
6. Step 6: Final answer
   x = 5,197,312.80