Finding the Third Proportional to 774,980 and 1,642,152

Step by Step Solution

1. Step 1: Write the proportion equation
   774,980 : 1,642,152 = 1,642,152 : x
2. Step 2: Convert to fraction form
   774,980/1,642,152 = 1,642,152/x
3. Step 3: Cross multiply
   774,980x = 1,642,152 × 1,642,152
4. Step 4: Simplify right side
   774,980x = 2,696,663,191,104
5. Step 5: Solve for x
   x = 2,696,663,191,104/774,980
6. Step 6: Final answer
   x = 3,479,655.21