Finding the Third Proportional to 42,277.50 and 65,005.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,277.50 : 65,005.88 = 65,005.88 : x
2. Step 2: Convert to fraction form
   42,277.50/65,005.88 = 65,005.88/x
3. Step 3: Cross multiply
   42,277.50x = 65,005.88 × 65,005.88
4. Step 4: Simplify right side
   42,277.50x = 4,225,763,784.52
5. Step 5: Solve for x
   x = 4,225,763,784.52/42,277.50
6. Step 6: Final answer
   x = 99,953.02