Finding the Third Proportional to 1,310,312 and 2,778,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,312 : 2,778,088 = 2,778,088 : x
2. Step 2: Convert to fraction form
   1,310,312/2,778,088 = 2,778,088/x
3. Step 3: Cross multiply
   1,310,312x = 2,778,088 × 2,778,088
4. Step 4: Simplify right side
   1,310,312x = 7,717,772,935,744
5. Step 5: Solve for x
   x = 7,717,772,935,744/1,310,312
6. Step 6: Final answer
   x = 5,890,026.91