Finding the Third Proportional to 678,152 and 1,049,117

Step by Step Solution

1. Step 1: Write the proportion equation
   678,152 : 1,049,117 = 1,049,117 : x
2. Step 2: Convert to fraction form
   678,152/1,049,117 = 1,049,117/x
3. Step 3: Cross multiply
   678,152x = 1,049,117 × 1,049,117
4. Step 4: Simplify right side
   678,152x = 1,100,646,479,689
5. Step 5: Solve for x
   x = 1,100,646,479,689/678,152
6. Step 6: Final answer
   x = 1,623,008.53