Finding the Third Proportional to 1,685,506 and 3,700,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,506 : 3,700,740 = 3,700,740 : x
2. Step 2: Convert to fraction form
   1,685,506/3,700,740 = 3,700,740/x
3. Step 3: Cross multiply
   1,685,506x = 3,700,740 × 3,700,740
4. Step 4: Simplify right side
   1,685,506x = 13,695,476,547,600
5. Step 5: Solve for x
   x = 13,695,476,547,600/1,685,506
6. Step 6: Final answer
   x = 8,125,439.21