Finding the Third Proportional to 90,323 and 137,841

Step by Step Solution

1. Step 1: Write the proportion equation
   90,323 : 137,841 = 137,841 : x
2. Step 2: Convert to fraction form
   90,323/137,841 = 137,841/x
3. Step 3: Cross multiply
   90,323x = 137,841 × 137,841
4. Step 4: Simplify right side
   90,323x = 19,000,141,281
5. Step 5: Solve for x
   x = 19,000,141,281/90,323
6. Step 6: Final answer
   x = 210,357.73