Finding the Third Proportional to 678,835.69 and 1,006,502.63

Step by Step Solution

1. Step 1: Write the proportion equation
   678,835.69 : 1,006,502.63 = 1,006,502.63 : x
2. Step 2: Convert to fraction form
   678,835.69/1,006,502.63 = 1,006,502.63/x
3. Step 3: Cross multiply
   678,835.69x = 1,006,502.63 × 1,006,502.63
4. Step 4: Simplify right side
   678,835.69x = 1,013,047,534,131.89
5. Step 5: Solve for x
   x = 1,013,047,534,131.89/678,835.69
6. Step 6: Final answer
   x = 1,492,330.99