Finding the Third Proportional to 152,938 and 242,930

Step by Step Solution

1. Step 1: Write the proportion equation
   152,938 : 242,930 = 242,930 : x
2. Step 2: Convert to fraction form
   152,938/242,930 = 242,930/x
3. Step 3: Cross multiply
   152,938x = 242,930 × 242,930
4. Step 4: Simplify right side
   152,938x = 59,014,984,900
5. Step 5: Solve for x
   x = 59,014,984,900/152,938
6. Step 6: Final answer
   x = 385,875.22