Finding the Third Proportional to 429,949.50 and 918,543

Step by Step Solution

1. Step 1: Write the proportion equation
   429,949.50 : 918,543 = 918,543 : x
2. Step 2: Convert to fraction form
   429,949.50/918,543 = 918,543/x
3. Step 3: Cross multiply
   429,949.50x = 918,543 × 918,543
4. Step 4: Simplify right side
   429,949.50x = 843,721,242,849
5. Step 5: Solve for x
   x = 843,721,242,849/429,949.50
6. Step 6: Final answer
   x = 1,962,372.89