Finding the Third Proportional to 781,314 and 1,584,360

Step by Step Solution

1. Step 1: Write the proportion equation
   781,314 : 1,584,360 = 1,584,360 : x
2. Step 2: Convert to fraction form
   781,314/1,584,360 = 1,584,360/x
3. Step 3: Cross multiply
   781,314x = 1,584,360 × 1,584,360
4. Step 4: Simplify right side
   781,314x = 2,510,196,609,600
5. Step 5: Solve for x
   x = 2,510,196,609,600/781,314
6. Step 6: Final answer
   x = 3,212,788.47