Finding the Third Proportional to 719,711 and 1,550,139

Step by Step Solution

1. Step 1: Write the proportion equation
   719,711 : 1,550,139 = 1,550,139 : x
2. Step 2: Convert to fraction form
   719,711/1,550,139 = 1,550,139/x
3. Step 3: Cross multiply
   719,711x = 1,550,139 × 1,550,139
4. Step 4: Simplify right side
   719,711x = 2,402,930,919,321
5. Step 5: Solve for x
   x = 2,402,930,919,321/719,711
6. Step 6: Final answer
   x = 3,338,744.19