Finding the Third Proportional to 430,849 and 657,937.50

Step by Step Solution

1. Step 1: Write the proportion equation
   430,849 : 657,937.50 = 657,937.50 : x
2. Step 2: Convert to fraction form
   430,849/657,937.50 = 657,937.50/x
3. Step 3: Cross multiply
   430,849x = 657,937.50 × 657,937.50
4. Step 4: Simplify right side
   430,849x = 432,881,753,906.25
5. Step 5: Solve for x
   x = 432,881,753,906.25/430,849
6. Step 6: Final answer
   x = 1,004,718.02