Finding the Third Proportional to 1,386,435 and 1,854,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,435 : 1,854,460.50 = 1,854,460.50 : x
2. Step 2: Convert to fraction form
   1,386,435/1,854,460.50 = 1,854,460.50/x
3. Step 3: Cross multiply
   1,386,435x = 1,854,460.50 × 1,854,460.50
4. Step 4: Simplify right side
   1,386,435x = 3,439,023,746,060.25
5. Step 5: Solve for x
   x = 3,439,023,746,060.25/1,386,435
6. Step 6: Final answer
   x = 2,480,479.61