Finding the Third Proportional to 150,931.50 and 349,131

Step by Step Solution

1. Step 1: Write the proportion equation
   150,931.50 : 349,131 = 349,131 : x
2. Step 2: Convert to fraction form
   150,931.50/349,131 = 349,131/x
3. Step 3: Cross multiply
   150,931.50x = 349,131 × 349,131
4. Step 4: Simplify right side
   150,931.50x = 121,892,455,161
5. Step 5: Solve for x
   x = 121,892,455,161/150,931.50
6. Step 6: Final answer
   x = 807,601.16