Finding the Third Proportional to 12,651,070,293 and 18,510,909,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651,070,293 : 18,510,909,061.50 = 18,510,909,061.50 : x
2. Step 2: Convert to fraction form
   12,651,070,293/18,510,909,061.50 = 18,510,909,061.50/x
3. Step 3: Cross multiply
   12,651,070,293x = 18,510,909,061.50 × 18,510,909,061.50
4. Step 4: Simplify right side
   12,651,070,293x = 342,653,754,283,122,819,072
5. Step 5: Solve for x
   x = 342,653,754,283,122,819,072/12,651,070,293
6. Step 6: Final answer
   x = 27,084,961,694.72