Finding the Third Proportional to 43,422 and 90,300

Step by Step Solution

1. Step 1: Write the proportion equation
   43,422 : 90,300 = 90,300 : x
2. Step 2: Convert to fraction form
   43,422/90,300 = 90,300/x
3. Step 3: Cross multiply
   43,422x = 90,300 × 90,300
4. Step 4: Simplify right side
   43,422x = 8,154,090,000
5. Step 5: Solve for x
   x = 8,154,090,000/43,422
6. Step 6: Final answer
   x = 187,787.07