Finding the Third Proportional to 765,536 and 1,788,072

Step by Step Solution

1. Step 1: Write the proportion equation
   765,536 : 1,788,072 = 1,788,072 : x
2. Step 2: Convert to fraction form
   765,536/1,788,072 = 1,788,072/x
3. Step 3: Cross multiply
   765,536x = 1,788,072 × 1,788,072
4. Step 4: Simplify right side
   765,536x = 3,197,201,477,184
5. Step 5: Solve for x
   x = 3,197,201,477,184/765,536
6. Step 6: Final answer
   x = 4,176,422.11