Finding the Third Proportional to 912,189,016.50 and 1,991,582,664

Step by Step Solution

1. Step 1: Write the proportion equation
   912,189,016.50 : 1,991,582,664 = 1,991,582,664 : x
2. Step 2: Convert to fraction form
   912,189,016.50/1,991,582,664 = 1,991,582,664/x
3. Step 3: Cross multiply
   912,189,016.50x = 1,991,582,664 × 1,991,582,664
4. Step 4: Simplify right side
   912,189,016.50x = 3,966,401,507,545,336,832
5. Step 5: Solve for x
   x = 3,966,401,507,545,336,832/912,189,016.50
6. Step 6: Final answer
   x = 4,348,223,269.30