Finding the Third Proportional to 152,136 and 238,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,136 : 238,648.50 = 238,648.50 : x
2. Step 2: Convert to fraction form
   152,136/238,648.50 = 238,648.50/x
3. Step 3: Cross multiply
   152,136x = 238,648.50 × 238,648.50
4. Step 4: Simplify right side
   152,136x = 56,953,106,552.25
5. Step 5: Solve for x
   x = 56,953,106,552.25/152,136
6. Step 6: Final answer
   x = 374,356.54