Finding the Third Proportional to 625,312 and 1,280,106

Step by Step Solution

1. Step 1: Write the proportion equation
   625,312 : 1,280,106 = 1,280,106 : x
2. Step 2: Convert to fraction form
   625,312/1,280,106 = 1,280,106/x
3. Step 3: Cross multiply
   625,312x = 1,280,106 × 1,280,106
4. Step 4: Simplify right side
   625,312x = 1,638,671,371,236
5. Step 5: Solve for x
   x = 1,638,671,371,236/625,312
6. Step 6: Final answer
   x = 2,620,566.01