Finding the Third Proportional to 12,281,761.69 and 19,264,090.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281,761.69 : 19,264,090.78 = 19,264,090.78 : x
2. Step 2: Convert to fraction form
   12,281,761.69/19,264,090.78 = 19,264,090.78/x
3. Step 3: Cross multiply
   12,281,761.69x = 19,264,090.78 × 19,264,090.78
4. Step 4: Simplify right side
   12,281,761.69x = 371,105,193,628,241.25
5. Step 5: Solve for x
   x = 371,105,193,628,241.25/12,281,761.69
6. Step 6: Final answer
   x = 30,215,957.86