Finding the Third Proportional to 585,997.50 and 1,243,938

Step by Step Solution

1. Step 1: Write the proportion equation
   585,997.50 : 1,243,938 = 1,243,938 : x
2. Step 2: Convert to fraction form
   585,997.50/1,243,938 = 1,243,938/x
3. Step 3: Cross multiply
   585,997.50x = 1,243,938 × 1,243,938
4. Step 4: Simplify right side
   585,997.50x = 1,547,381,747,844
5. Step 5: Solve for x
   x = 1,547,381,747,844/585,997.50
6. Step 6: Final answer
   x = 2,640,594.45