Finding the Third Proportional to 5,117,777,913 and 7,862,900,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,117,777,913 : 7,862,900,134.50 = 7,862,900,134.50 : x
2. Step 2: Convert to fraction form
   5,117,777,913/7,862,900,134.50 = 7,862,900,134.50/x
3. Step 3: Cross multiply
   5,117,777,913x = 7,862,900,134.50 × 7,862,900,134.50
4. Step 4: Simplify right side
   5,117,777,913x = 61,825,198,525,120,118,784
5. Step 5: Solve for x
   x = 61,825,198,525,120,118,784/5,117,777,913
6. Step 6: Final answer
   x = 12,080,477,030.49