Finding the Third Proportional to 42,307.50 and 90,447

Step by Step Solution

1. Step 1: Write the proportion equation
   42,307.50 : 90,447 = 90,447 : x
2. Step 2: Convert to fraction form
   42,307.50/90,447 = 90,447/x
3. Step 3: Cross multiply
   42,307.50x = 90,447 × 90,447
4. Step 4: Simplify right side
   42,307.50x = 8,180,659,809
5. Step 5: Solve for x
   x = 8,180,659,809/42,307.50
6. Step 6: Final answer
   x = 193,361.93