Finding the Third Proportional to 5,312,916 and 7,970,526

Step by Step Solution

1. Step 1: Write the proportion equation
   5,312,916 : 7,970,526 = 7,970,526 : x
2. Step 2: Convert to fraction form
   5,312,916/7,970,526 = 7,970,526/x
3. Step 3: Cross multiply
   5,312,916x = 7,970,526 × 7,970,526
4. Step 4: Simplify right side
   5,312,916x = 63,529,284,716,676
5. Step 5: Solve for x
   x = 63,529,284,716,676/5,312,916
6. Step 6: Final answer
   x = 11,957,517.25