Finding the Third Proportional to 42,977.63 and 65,701.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,977.63 : 65,701.31 = 65,701.31 : x
2. Step 2: Convert to fraction form
   42,977.63/65,701.31 = 65,701.31/x
3. Step 3: Cross multiply
   42,977.63x = 65,701.31 × 65,701.31
4. Step 4: Simplify right side
   42,977.63x = 4,316,662,464.22
5. Step 5: Solve for x
   x = 4,316,662,464.22/42,977.63
6. Step 6: Final answer
   x = 100,439.76