Finding the Third Proportional to 45,820.69 and 67,090.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,820.69 : 67,090.78 = 67,090.78 : x
2. Step 2: Convert to fraction form
   45,820.69/67,090.78 = 67,090.78/x
3. Step 3: Cross multiply
   45,820.69x = 67,090.78 × 67,090.78
4. Step 4: Simplify right side
   45,820.69x = 4,501,172,928.74
5. Step 5: Solve for x
   x = 4,501,172,928.74/45,820.69
6. Step 6: Final answer
   x = 98,234.51