Finding the Third Proportional to 42,322.50 and 90,126

Step by Step Solution

1. Step 1: Write the proportion equation
   42,322.50 : 90,126 = 90,126 : x
2. Step 2: Convert to fraction form
   42,322.50/90,126 = 90,126/x
3. Step 3: Cross multiply
   42,322.50x = 90,126 × 90,126
4. Step 4: Simplify right side
   42,322.50x = 8,122,695,876
5. Step 5: Solve for x
   x = 8,122,695,876/42,322.50
6. Step 6: Final answer
   x = 191,923.82