Finding the Third Proportional to 587,054,704.31 and 1,258,144,516.69

Step by Step Solution

1. Step 1: Write the proportion equation
   587,054,704.31 : 1,258,144,516.69 = 1,258,144,516.69 : x
2. Step 2: Convert to fraction form
   587,054,704.31/1,258,144,516.69 = 1,258,144,516.69/x
3. Step 3: Cross multiply
   587,054,704.31x = 1,258,144,516.69 × 1,258,144,516.69
4. Step 4: Simplify right side
   587,054,704.31x = 1,582,927,624,870,822,912
5. Step 5: Solve for x
   x = 1,582,927,624,870,822,912/587,054,704.31
6. Step 6: Final answer
   x = 2,696,388,621.44