Finding the Third Proportional to 2,371,581,358 and 5,151,421,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371,581,358 : 5,151,421,916 = 5,151,421,916 : x
2. Step 2: Convert to fraction form
   2,371,581,358/5,151,421,916 = 5,151,421,916/x
3. Step 3: Cross multiply
   2,371,581,358x = 5,151,421,916 × 5,151,421,916
4. Step 4: Simplify right side
   2,371,581,358x = 26,537,147,756,645,109,760
5. Step 5: Solve for x
   x = 26,537,147,756,645,109,760/2,371,581,358
6. Step 6: Final answer
   x = 11,189,642,584.74