Finding the Third Proportional to 31,180,023,759.75 and 64,012,991,412

Step by Step Solution

1. Step 1: Write the proportion equation
   31,180,023,759.75 : 64,012,991,412 = 64,012,991,412 : x
2. Step 2: Convert to fraction form
   31,180,023,759.75/64,012,991,412 = 64,012,991,412/x
3. Step 3: Cross multiply
   31,180,023,759.75x = 64,012,991,412 × 64,012,991,412
4. Step 4: Simplify right side
   31,180,023,759.75x = 4,097,663,069,512,785,723,392
5. Step 5: Solve for x
   x = 4,097,663,069,512,785,723,392/31,180,023,759.75
6. Step 6: Final answer
   x = 131,419,497,980.06