Finding the Third Proportional to 314,918,968 and 443,282,055

Step by Step Solution

1. Step 1: Write the proportion equation
   314,918,968 : 443,282,055 = 443,282,055 : x
2. Step 2: Convert to fraction form
   314,918,968/443,282,055 = 443,282,055/x
3. Step 3: Cross multiply
   314,918,968x = 443,282,055 × 443,282,055
4. Step 4: Simplify right side
   314,918,968x = 196,498,980,285,023,040
5. Step 5: Solve for x
   x = 196,498,980,285,023,040/314,918,968
6. Step 6: Final answer
   x = 623,966,798.61