Finding the Third Proportional to 30,615,145,753 and 47,921,064,806

Step by Step Solution

1. Step 1: Write the proportion equation
   30,615,145,753 : 47,921,064,806 = 47,921,064,806 : x
2. Step 2: Convert to fraction form
   30,615,145,753/47,921,064,806 = 47,921,064,806/x
3. Step 3: Cross multiply
   30,615,145,753x = 47,921,064,806 × 47,921,064,806
4. Step 4: Simplify right side
   30,615,145,753x = 2,296,428,452,140,851,920,896
5. Step 5: Solve for x
   x = 2,296,428,452,140,851,920,896/30,615,145,753
6. Step 6: Final answer
   x = 75,009,554,769.66