Finding the Third Proportional to 42,797 and 66,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,797 : 66,527.50 = 66,527.50 : x
2. Step 2: Convert to fraction form
   42,797/66,527.50 = 66,527.50/x
3. Step 3: Cross multiply
   42,797x = 66,527.50 × 66,527.50
4. Step 4: Simplify right side
   42,797x = 4,425,908,256.25
5. Step 5: Solve for x
   x = 4,425,908,256.25/42,797
6. Step 6: Final answer
   x = 103,416.32