Finding the Third Proportional to 690,103.50 and 1,047,570

Step by Step Solution

1. Step 1: Write the proportion equation
   690,103.50 : 1,047,570 = 1,047,570 : x
2. Step 2: Convert to fraction form
   690,103.50/1,047,570 = 1,047,570/x
3. Step 3: Cross multiply
   690,103.50x = 1,047,570 × 1,047,570
4. Step 4: Simplify right side
   690,103.50x = 1,097,402,904,900
5. Step 5: Solve for x
   x = 1,097,402,904,900/690,103.50
6. Step 6: Final answer
   x = 1,590,200.46