Finding the Third Proportional to 27,980.44 and 64,977.19

Step by Step Solution

1. Step 1: Write the proportion equation
   27,980.44 : 64,977.19 = 64,977.19 : x
2. Step 2: Convert to fraction form
   27,980.44/64,977.19 = 64,977.19/x
3. Step 3: Cross multiply
   27,980.44x = 64,977.19 × 64,977.19
4. Step 4: Simplify right side
   27,980.44x = 4,222,034,895.41
5. Step 5: Solve for x
   x = 4,222,034,895.41/27,980.44
6. Step 6: Final answer
   x = 150,892.38