Finding the Third Proportional to 12,281,918,113.50 and 17,551,181,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281,918,113.50 : 17,551,181,020.50 = 17,551,181,020.50 : x
2. Step 2: Convert to fraction form
   12,281,918,113.50/17,551,181,020.50 = 17,551,181,020.50/x
3. Step 3: Cross multiply
   12,281,918,113.50x = 17,551,181,020.50 × 17,551,181,020.50
4. Step 4: Simplify right side
   12,281,918,113.50x = 308,043,955,214,359,396,352
5. Step 5: Solve for x
   x = 308,043,955,214,359,396,352/12,281,918,113.50
6. Step 6: Final answer
   x = 25,081,095,018.52