Finding the Third Proportional to 780,528 and 1,140,960

Step by Step Solution

1. Step 1: Write the proportion equation
   780,528 : 1,140,960 = 1,140,960 : x
2. Step 2: Convert to fraction form
   780,528/1,140,960 = 1,140,960/x
3. Step 3: Cross multiply
   780,528x = 1,140,960 × 1,140,960
4. Step 4: Simplify right side
   780,528x = 1,301,789,721,600
5. Step 5: Solve for x
   x = 1,301,789,721,600/780,528
6. Step 6: Final answer
   x = 1,667,832.19