Finding the Third Proportional to 716,139 and 1,003,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   716,139 : 1,003,900.50 = 1,003,900.50 : x
2. Step 2: Convert to fraction form
   716,139/1,003,900.50 = 1,003,900.50/x
3. Step 3: Cross multiply
   716,139x = 1,003,900.50 × 1,003,900.50
4. Step 4: Simplify right side
   716,139x = 1,007,816,213,900.25
5. Step 5: Solve for x
   x = 1,007,816,213,900.25/716,139
6. Step 6: Final answer
   x = 1,407,291.34