Finding the Third Proportional to 419,419.50 and 912,567

Step by Step Solution

1. Step 1: Write the proportion equation
   419,419.50 : 912,567 = 912,567 : x
2. Step 2: Convert to fraction form
   419,419.50/912,567 = 912,567/x
3. Step 3: Cross multiply
   419,419.50x = 912,567 × 912,567
4. Step 4: Simplify right side
   419,419.50x = 832,778,529,489
5. Step 5: Solve for x
   x = 832,778,529,489/419,419.50
6. Step 6: Final answer
   x = 1,985,550.34