Finding the Third Proportional to 214,704 and 315,640.13

Step by Step Solution

1. Step 1: Write the proportion equation
   214,704 : 315,640.13 = 315,640.13 : x
2. Step 2: Convert to fraction form
   214,704/315,640.13 = 315,640.13/x
3. Step 3: Cross multiply
   214,704x = 315,640.13 × 315,640.13
4. Step 4: Simplify right side
   214,704x = 99,628,688,510.02
5. Step 5: Solve for x
   x = 99,628,688,510.02/214,704
6. Step 6: Final answer
   x = 464,028.10