Finding the Third Proportional to 619,960 and 1,314,328

Step by Step Solution

1. Step 1: Write the proportion equation
   619,960 : 1,314,328 = 1,314,328 : x
2. Step 2: Convert to fraction form
   619,960/1,314,328 = 1,314,328/x
3. Step 3: Cross multiply
   619,960x = 1,314,328 × 1,314,328
4. Step 4: Simplify right side
   619,960x = 1,727,458,091,584
5. Step 5: Solve for x
   x = 1,727,458,091,584/619,960
6. Step 6: Final answer
   x = 2,786,402.50