Finding the Third Proportional to 455,832 and 978,117

Step by Step Solution

1. Step 1: Write the proportion equation
   455,832 : 978,117 = 978,117 : x
2. Step 2: Convert to fraction form
   455,832/978,117 = 978,117/x
3. Step 3: Cross multiply
   455,832x = 978,117 × 978,117
4. Step 4: Simplify right side
   455,832x = 956,712,865,689
5. Step 5: Solve for x
   x = 956,712,865,689/455,832
6. Step 6: Final answer
   x = 2,098,827.78