Finding the Third Proportional to 788,345 and 1,217,980

Step by Step Solution

1. Step 1: Write the proportion equation
   788,345 : 1,217,980 = 1,217,980 : x
2. Step 2: Convert to fraction form
   788,345/1,217,980 = 1,217,980/x
3. Step 3: Cross multiply
   788,345x = 1,217,980 × 1,217,980
4. Step 4: Simplify right side
   788,345x = 1,483,475,280,400
5. Step 5: Solve for x
   x = 1,483,475,280,400/788,345
6. Step 6: Final answer
   x = 1,881,758.98