Finding the Third Proportional to 587,054,711.81 and 1,258,144,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   587,054,711.81 : 1,258,144,531.88 = 1,258,144,531.88 : x
2. Step 2: Convert to fraction form
   587,054,711.81/1,258,144,531.88 = 1,258,144,531.88/x
3. Step 3: Cross multiply
   587,054,711.81x = 1,258,144,531.88 × 1,258,144,531.88
4. Step 4: Simplify right side
   587,054,711.81x = 1,582,927,663,086,962,944
5. Step 5: Solve for x
   x = 1,582,927,663,086,962,944/587,054,711.81
6. Step 6: Final answer
   x = 2,696,388,652.09