Finding the Third Proportional to 12,964,850,219 and 30,011,759,636

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964,850,219 : 30,011,759,636 = 30,011,759,636 : x
2. Step 2: Convert to fraction form
   12,964,850,219/30,011,759,636 = 30,011,759,636/x
3. Step 3: Cross multiply
   12,964,850,219x = 30,011,759,636 × 30,011,759,636
4. Step 4: Simplify right side
   12,964,850,219x = 900,705,716,449,038,827,520
5. Step 5: Solve for x
   x = 900,705,716,449,038,827,520/12,964,850,219
6. Step 6: Final answer
   x = 69,472,897,969.08