Finding the Third Proportional to 1,354,102,821 and 1,871,062,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354,102,821 : 1,871,062,564.50 = 1,871,062,564.50 : x
2. Step 2: Convert to fraction form
   1,354,102,821/1,871,062,564.50 = 1,871,062,564.50/x
3. Step 3: Cross multiply
   1,354,102,821x = 1,871,062,564.50 × 1,871,062,564.50
4. Step 4: Simplify right side
   1,354,102,821x = 3,500,875,120,273,316,864
5. Step 5: Solve for x
   x = 3,500,875,120,273,316,864/1,354,102,821
6. Step 6: Final answer
   x = 2,585,383,521.83