Finding the Third Proportional to 152,152 and 308,912

Step by Step Solution

1. Step 1: Write the proportion equation
   152,152 : 308,912 = 308,912 : x
2. Step 2: Convert to fraction form
   152,152/308,912 = 308,912/x
3. Step 3: Cross multiply
   152,152x = 308,912 × 308,912
4. Step 4: Simplify right side
   152,152x = 95,426,623,744
5. Step 5: Solve for x
   x = 95,426,623,744/152,152
6. Step 6: Final answer
   x = 627,179.56