Finding the Third Proportional to 152,131.50 and 236,490

Step by Step Solution

1. Step 1: Write the proportion equation
   152,131.50 : 236,490 = 236,490 : x
2. Step 2: Convert to fraction form
   152,131.50/236,490 = 236,490/x
3. Step 3: Cross multiply
   152,131.50x = 236,490 × 236,490
4. Step 4: Simplify right side
   152,131.50x = 55,927,520,100
5. Step 5: Solve for x
   x = 55,927,520,100/152,131.50
6. Step 6: Final answer
   x = 367,626.17