Finding the Third Proportional to 1,317,740 and 2,877,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,740 : 2,877,156 = 2,877,156 : x
2. Step 2: Convert to fraction form
   1,317,740/2,877,156 = 2,877,156/x
3. Step 3: Cross multiply
   1,317,740x = 2,877,156 × 2,877,156
4. Step 4: Simplify right side
   1,317,740x = 8,278,026,648,336
5. Step 5: Solve for x
   x = 8,278,026,648,336/1,317,740
6. Step 6: Final answer
   x = 6,281,987.83