Finding the Third Proportional to 30,615,145,722.50 and 47,921,064,757.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,615,145,722.50 : 47,921,064,757.25 = 47,921,064,757.25 : x
2. Step 2: Convert to fraction form
   30,615,145,722.50/47,921,064,757.25 = 47,921,064,757.25/x
3. Step 3: Cross multiply
   30,615,145,722.50x = 47,921,064,757.25 × 47,921,064,757.25
4. Step 4: Simplify right side
   30,615,145,722.50x = 2,296,428,447,468,547,997,696
5. Step 5: Solve for x
   x = 2,296,428,447,468,547,997,696/30,615,145,722.50
6. Step 6: Final answer
   x = 75,009,554,691.78