Finding the Third Proportional to 705,409 and 1,550,210

Step by Step Solution

1. Step 1: Write the proportion equation
   705,409 : 1,550,210 = 1,550,210 : x
2. Step 2: Convert to fraction form
   705,409/1,550,210 = 1,550,210/x
3. Step 3: Cross multiply
   705,409x = 1,550,210 × 1,550,210
4. Step 4: Simplify right side
   705,409x = 2,403,151,044,100
5. Step 5: Solve for x
   x = 2,403,151,044,100/705,409
6. Step 6: Final answer
   x = 3,406,748.49