Finding the Third Proportional to 458,127 and 673,840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,127 : 673,840.50 = 673,840.50 : x
2. Step 2: Convert to fraction form
   458,127/673,840.50 = 673,840.50/x
3. Step 3: Cross multiply
   458,127x = 673,840.50 × 673,840.50
4. Step 4: Simplify right side
   458,127x = 454,061,019,440.25
5. Step 5: Solve for x
   x = 454,061,019,440.25/458,127
6. Step 6: Final answer
   x = 991,124.77