Finding the Third Proportional to 458,688.76 and 976,426.52

Step by Step Solution

1. Step 1: Write the proportion equation
   458,688.76 : 976,426.52 = 976,426.52 : x
2. Step 2: Convert to fraction form
   458,688.76/976,426.52 = 976,426.52/x
3. Step 3: Cross multiply
   458,688.76x = 976,426.52 × 976,426.52
4. Step 4: Simplify right side
   458,688.76x = 953,408,755,672.24
5. Step 5: Solve for x
   x = 953,408,755,672.24/458,688.76
6. Step 6: Final answer
   x = 2,078,552.68