Finding the Third Proportional to 828,156 and 1,172,088

Step by Step Solution

1. Step 1: Write the proportion equation
   828,156 : 1,172,088 = 1,172,088 : x
2. Step 2: Convert to fraction form
   828,156/1,172,088 = 1,172,088/x
3. Step 3: Cross multiply
   828,156x = 1,172,088 × 1,172,088
4. Step 4: Simplify right side
   828,156x = 1,373,790,279,744
5. Step 5: Solve for x
   x = 1,373,790,279,744/828,156
6. Step 6: Final answer
   x = 1,658,854.47