Finding the Third Proportional to 42,402.75 and 91,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402.75 : 91,366.50 = 91,366.50 : x
2. Step 2: Convert to fraction form
   42,402.75/91,366.50 = 91,366.50/x
3. Step 3: Cross multiply
   42,402.75x = 91,366.50 × 91,366.50
4. Step 4: Simplify right side
   42,402.75x = 8,347,837,322.25
5. Step 5: Solve for x
   x = 8,347,837,322.25/42,402.75
6. Step 6: Final answer
   x = 196,870.19