Finding the Third Proportional to 42,137.16 and 90,527.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,137.16 : 90,527.63 = 90,527.63 : x
2. Step 2: Convert to fraction form
   42,137.16/90,527.63 = 90,527.63/x
3. Step 3: Cross multiply
   42,137.16x = 90,527.63 × 90,527.63
4. Step 4: Simplify right side
   42,137.16x = 8,195,250,888.14
5. Step 5: Solve for x
   x = 8,195,250,888.14/42,137.16
6. Step 6: Final answer
   x = 194,489.89