Finding the Third Proportional to 42,316.56 and 65,734.45

Step by Step Solution

1. Step 1: Write the proportion equation
   42,316.56 : 65,734.45 = 65,734.45 : x
2. Step 2: Convert to fraction form
   42,316.56/65,734.45 = 65,734.45/x
3. Step 3: Cross multiply
   42,316.56x = 65,734.45 × 65,734.45
4. Step 4: Simplify right side
   42,316.56x = 4,321,018,327.64
5. Step 5: Solve for x
   x = 4,321,018,327.64/42,316.56
6. Step 6: Final answer
   x = 102,111.76