Finding the Third Proportional to 1,380,710 and 2,953,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,710 : 2,953,310 = 2,953,310 : x
2. Step 2: Convert to fraction form
   1,380,710/2,953,310 = 2,953,310/x
3. Step 3: Cross multiply
   1,380,710x = 2,953,310 × 2,953,310
4. Step 4: Simplify right side
   1,380,710x = 8,722,039,956,100
5. Step 5: Solve for x
   x = 8,722,039,956,100/1,380,710
6. Step 6: Final answer
   x = 6,317,068.72