Finding the Third Proportional to 131,088 and 308,136

Step by Step Solution

1. Step 1: Write the proportion equation
   131,088 : 308,136 = 308,136 : x
2. Step 2: Convert to fraction form
   131,088/308,136 = 308,136/x
3. Step 3: Cross multiply
   131,088x = 308,136 × 308,136
4. Step 4: Simplify right side
   131,088x = 94,947,794,496
5. Step 5: Solve for x
   x = 94,947,794,496/131,088
6. Step 6: Final answer
   x = 724,305.77