Finding the Third Proportional to 1,379,677 and 2,153,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,677 : 2,153,310 = 2,153,310 : x
2. Step 2: Convert to fraction form
   1,379,677/2,153,310 = 2,153,310/x
3. Step 3: Cross multiply
   1,379,677x = 2,153,310 × 2,153,310
4. Step 4: Simplify right side
   1,379,677x = 4,636,743,956,100
5. Step 5: Solve for x
   x = 4,636,743,956,100/1,379,677
6. Step 6: Final answer
   x = 3,360,746.00