Finding the Third Proportional to 42,890.63 and 65,064.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,890.63 : 65,064.94 = 65,064.94 : x
2. Step 2: Convert to fraction form
   42,890.63/65,064.94 = 65,064.94/x
3. Step 3: Cross multiply
   42,890.63x = 65,064.94 × 65,064.94
4. Step 4: Simplify right side
   42,890.63x = 4,233,446,091.88
5. Step 5: Solve for x
   x = 4,233,446,091.88/42,890.63
6. Step 6: Final answer
   x = 98,703.30