Finding the Third Proportional to 42,137.37 and 90,528.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,137.37 : 90,528.08 = 90,528.08 : x
2. Step 2: Convert to fraction form
   42,137.37/90,528.08 = 90,528.08/x
3. Step 3: Cross multiply
   42,137.37x = 90,528.08 × 90,528.08
4. Step 4: Simplify right side
   42,137.37x = 8,195,333,636.26
5. Step 5: Solve for x
   x = 8,195,333,636.26/42,137.37
6. Step 6: Final answer
   x = 194,490.88