Finding the Third Proportional to 5,111,248,722 and 7,851,503,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111,248,722 : 7,851,503,851.50 = 7,851,503,851.50 : x
2. Step 2: Convert to fraction form
   5,111,248,722/7,851,503,851.50 = 7,851,503,851.50/x
3. Step 3: Cross multiply
   5,111,248,722x = 7,851,503,851.50 × 7,851,503,851.50
4. Step 4: Simplify right side
   5,111,248,722x = 61,646,112,730,119,331,840
5. Step 5: Solve for x
   x = 61,646,112,730,119,331,840/5,111,248,722
6. Step 6: Final answer
   x = 12,060,871,243.61