Finding the Third Proportional to 216,337.50 and 464,643

Step by Step Solution

1. Step 1: Write the proportion equation
   216,337.50 : 464,643 = 464,643 : x
2. Step 2: Convert to fraction form
   216,337.50/464,643 = 464,643/x
3. Step 3: Cross multiply
   216,337.50x = 464,643 × 464,643
4. Step 4: Simplify right side
   216,337.50x = 215,893,117,449
5. Step 5: Solve for x
   x = 215,893,117,449/216,337.50
6. Step 6: Final answer
   x = 997,945.88