Finding the Third Proportional to 788,064 and 1,248,072

Step by Step Solution

1. Step 1: Write the proportion equation
   788,064 : 1,248,072 = 1,248,072 : x
2. Step 2: Convert to fraction form
   788,064/1,248,072 = 1,248,072/x
3. Step 3: Cross multiply
   788,064x = 1,248,072 × 1,248,072
4. Step 4: Simplify right side
   788,064x = 1,557,683,717,184
5. Step 5: Solve for x
   x = 1,557,683,717,184/788,064
6. Step 6: Final answer
   x = 1,976,595.45