Finding the Third Proportional to 30,615,145,749 and 47,921,064,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,615,145,749 : 47,921,064,799.50 = 47,921,064,799.50 : x
2. Step 2: Convert to fraction form
   30,615,145,749/47,921,064,799.50 = 47,921,064,799.50/x
3. Step 3: Cross multiply
   30,615,145,749x = 47,921,064,799.50 × 47,921,064,799.50
4. Step 4: Simplify right side
   30,615,145,749x = 2,296,428,451,517,877,977,088
5. Step 5: Solve for x
   x = 2,296,428,451,517,877,977,088/30,615,145,749
6. Step 6: Final answer
   x = 75,009,554,759.11