Finding the Third Proportional to 1,642,978 and 3,595,154

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,978 : 3,595,154 = 3,595,154 : x
2. Step 2: Convert to fraction form
   1,642,978/3,595,154 = 3,595,154/x
3. Step 3: Cross multiply
   1,642,978x = 3,595,154 × 3,595,154
4. Step 4: Simplify right side
   1,642,978x = 12,925,132,283,716
5. Step 5: Solve for x
   x = 12,925,132,283,716/1,642,978
6. Step 6: Final answer
   x = 7,866,893.10