Finding the Third Proportional to 46,428.90 and 69,745.86

Step by Step Solution

1. Step 1: Write the proportion equation
   46,428.90 : 69,745.86 = 69,745.86 : x
2. Step 2: Convert to fraction form
   46,428.90/69,745.86 = 69,745.86/x
3. Step 3: Cross multiply
   46,428.90x = 69,745.86 × 69,745.86
4. Step 4: Simplify right side
   46,428.90x = 4,864,485,649.18
5. Step 5: Solve for x
   x = 4,864,485,649.18/46,428.90
6. Step 6: Final answer
   x = 104,772.80