Finding the Third Proportional to 724,762 and 1,705,321

Step by Step Solution

1. Step 1: Write the proportion equation
   724,762 : 1,705,321 = 1,705,321 : x
2. Step 2: Convert to fraction form
   724,762/1,705,321 = 1,705,321/x
3. Step 3: Cross multiply
   724,762x = 1,705,321 × 1,705,321
4. Step 4: Simplify right side
   724,762x = 2,908,119,713,041
5. Step 5: Solve for x
   x = 2,908,119,713,041/724,762
6. Step 6: Final answer
   x = 4,012,516.82