Finding the Third Proportional to 660,111.75 and 1,446,219

Step by Step Solution

1. Step 1: Write the proportion equation
   660,111.75 : 1,446,219 = 1,446,219 : x
2. Step 2: Convert to fraction form
   660,111.75/1,446,219 = 1,446,219/x
3. Step 3: Cross multiply
   660,111.75x = 1,446,219 × 1,446,219
4. Step 4: Simplify right side
   660,111.75x = 2,091,549,395,961
5. Step 5: Solve for x
   x = 2,091,549,395,961/660,111.75
6. Step 6: Final answer
   x = 3,168,477.76