Finding the Third Proportional to 1,396,059,696.38 and 2,164,638,624.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,059,696.38 : 2,164,638,624.56 = 2,164,638,624.56 : x
2. Step 2: Convert to fraction form
   1,396,059,696.38/2,164,638,624.56 = 2,164,638,624.56/x
3. Step 3: Cross multiply
   1,396,059,696.38x = 2,164,638,624.56 × 2,164,638,624.56
4. Step 4: Simplify right side
   1,396,059,696.38x = 4,685,660,374,947,831,808
5. Step 5: Solve for x
   x = 4,685,660,374,947,831,808/1,396,059,696.38
6. Step 6: Final answer
   x = 3,356,346,714.34