Finding the Third Proportional to 127,422 and 202,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,422 : 202,432.50 = 202,432.50 : x
2. Step 2: Convert to fraction form
   127,422/202,432.50 = 202,432.50/x
3. Step 3: Cross multiply
   127,422x = 202,432.50 × 202,432.50
4. Step 4: Simplify right side
   127,422x = 40,978,917,056.25
5. Step 5: Solve for x
   x = 40,978,917,056.25/127,422
6. Step 6: Final answer
   x = 321,600.01