Finding the Third Proportional to 1,178,642 and 2,573,184

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,642 : 2,573,184 = 2,573,184 : x
2. Step 2: Convert to fraction form
   1,178,642/2,573,184 = 2,573,184/x
3. Step 3: Cross multiply
   1,178,642x = 2,573,184 × 2,573,184
4. Step 4: Simplify right side
   1,178,642x = 6,621,275,897,856
5. Step 5: Solve for x
   x = 6,621,275,897,856/1,178,642
6. Step 6: Final answer
   x = 5,617,715.89