Finding the Third Proportional to 1,187,484 and 2,416,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,484 : 2,416,440 = 2,416,440 : x
2. Step 2: Convert to fraction form
   1,187,484/2,416,440 = 2,416,440/x
3. Step 3: Cross multiply
   1,187,484x = 2,416,440 × 2,416,440
4. Step 4: Simplify right side
   1,187,484x = 5,839,182,273,600
5. Step 5: Solve for x
   x = 5,839,182,273,600/1,187,484
6. Step 6: Final answer
   x = 4,917,272.38