Finding the Third Proportional to 830,520 and 1,281,196

Step by Step Solution

1. Step 1: Write the proportion equation
   830,520 : 1,281,196 = 1,281,196 : x
2. Step 2: Convert to fraction form
   830,520/1,281,196 = 1,281,196/x
3. Step 3: Cross multiply
   830,520x = 1,281,196 × 1,281,196
4. Step 4: Simplify right side
   830,520x = 1,641,463,190,416
5. Step 5: Solve for x
   x = 1,641,463,190,416/830,520
6. Step 6: Final answer
   x = 1,976,428.25