Finding the Third Proportional to 1,665,468 and 3,578,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,468 : 3,578,715 = 3,578,715 : x
2. Step 2: Convert to fraction form
   1,665,468/3,578,715 = 3,578,715/x
3. Step 3: Cross multiply
   1,665,468x = 3,578,715 × 3,578,715
4. Step 4: Simplify right side
   1,665,468x = 12,807,201,051,225
5. Step 5: Solve for x
   x = 12,807,201,051,225/1,665,468
6. Step 6: Final answer
   x = 7,689,851.17