Finding the Third Proportional to 1,312,216 and 2,869,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,216 : 2,869,520 = 2,869,520 : x
2. Step 2: Convert to fraction form
   1,312,216/2,869,520 = 2,869,520/x
3. Step 3: Cross multiply
   1,312,216x = 2,869,520 × 2,869,520
4. Step 4: Simplify right side
   1,312,216x = 8,234,145,030,400
5. Step 5: Solve for x
   x = 8,234,145,030,400/1,312,216
6. Step 6: Final answer
   x = 6,274,992.10