Finding the Third Proportional to 311,322 and 466,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   311,322 : 466,981.50 = 466,981.50 : x
2. Step 2: Convert to fraction form
   311,322/466,981.50 = 466,981.50/x
3. Step 3: Cross multiply
   311,322x = 466,981.50 × 466,981.50
4. Step 4: Simplify right side
   311,322x = 218,071,721,342.25
5. Step 5: Solve for x
   x = 218,071,721,342.25/311,322
6. Step 6: Final answer
   x = 700,470.00