Finding the Third Proportional to 7,320,977,483 and 10,309,549,541.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,320,977,483 : 10,309,549,541.25 = 10,309,549,541.25 : x
2. Step 2: Convert to fraction form
   7,320,977,483/10,309,549,541.25 = 10,309,549,541.25/x
3. Step 3: Cross multiply
   7,320,977,483x = 10,309,549,541.25 × 10,309,549,541.25
4. Step 4: Simplify right side
   7,320,977,483x = 106,286,811,743,488,081,920
5. Step 5: Solve for x
   x = 106,286,811,743,488,081,920/7,320,977,483
6. Step 6: Final answer
   x = 14,518,117,558.80