Finding the Third Proportional to 4,668,478,821 and 10,082,354,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,668,478,821 : 10,082,354,485.50 = 10,082,354,485.50 : x
2. Step 2: Convert to fraction form
   4,668,478,821/10,082,354,485.50 = 10,082,354,485.50/x
3. Step 3: Cross multiply
   4,668,478,821x = 10,082,354,485.50 × 10,082,354,485.50
4. Step 4: Simplify right side
   4,668,478,821x = 101,653,871,971,281,977,344
5. Step 5: Solve for x
   x = 101,653,871,971,281,977,344/4,668,478,821
6. Step 6: Final answer
   x = 21,774,517,111.23