Finding the Third Proportional to 690,036 and 1,077,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   690,036 : 1,077,010.50 = 1,077,010.50 : x
2. Step 2: Convert to fraction form
   690,036/1,077,010.50 = 1,077,010.50/x
3. Step 3: Cross multiply
   690,036x = 1,077,010.50 × 1,077,010.50
4. Step 4: Simplify right side
   690,036x = 1,159,951,617,110.25
5. Step 5: Solve for x
   x = 1,159,951,617,110.25/690,036
6. Step 6: Final answer
   x = 1,681,001.60