Finding the Third Proportional to 42,156 and 90,501.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156 : 90,501.75 = 90,501.75 : x
2. Step 2: Convert to fraction form
   42,156/90,501.75 = 90,501.75/x
3. Step 3: Cross multiply
   42,156x = 90,501.75 × 90,501.75
4. Step 4: Simplify right side
   42,156x = 8,190,566,753.06
5. Step 5: Solve for x
   x = 8,190,566,753.06/42,156
6. Step 6: Final answer
   x = 194,291.84