Finding the Third Proportional to 2,371,720 and 5,186,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371,720 : 5,186,312 = 5,186,312 : x
2. Step 2: Convert to fraction form
   2,371,720/5,186,312 = 5,186,312/x
3. Step 3: Cross multiply
   2,371,720x = 5,186,312 × 5,186,312
4. Step 4: Simplify right side
   2,371,720x = 26,897,832,161,344
5. Step 5: Solve for x
   x = 26,897,832,161,344/2,371,720
6. Step 6: Final answer
   x = 11,341,065.62