Finding the Third Proportional to 788,714 and 1,220,111

Step by Step Solution

1. Step 1: Write the proportion equation
   788,714 : 1,220,111 = 1,220,111 : x
2. Step 2: Convert to fraction form
   788,714/1,220,111 = 1,220,111/x
3. Step 3: Cross multiply
   788,714x = 1,220,111 × 1,220,111
4. Step 4: Simplify right side
   788,714x = 1,488,670,852,321
5. Step 5: Solve for x
   x = 1,488,670,852,321/788,714
6. Step 6: Final answer
   x = 1,887,465.99