Finding the Third Proportional to 709,888.50 and 1,550,781

Step by Step Solution

1. Step 1: Write the proportion equation
   709,888.50 : 1,550,781 = 1,550,781 : x
2. Step 2: Convert to fraction form
   709,888.50/1,550,781 = 1,550,781/x
3. Step 3: Cross multiply
   709,888.50x = 1,550,781 × 1,550,781
4. Step 4: Simplify right side
   709,888.50x = 2,404,921,709,961
5. Step 5: Solve for x
   x = 2,404,921,709,961/709,888.50
6. Step 6: Final answer
   x = 3,387,745.70