Finding the Third Proportional to 69,499.90 and 151,745.91

Step by Step Solution

1. Step 1: Write the proportion equation
   69,499.90 : 151,745.91 = 151,745.91 : x
2. Step 2: Convert to fraction form
   69,499.90/151,745.91 = 151,745.91/x
3. Step 3: Cross multiply
   69,499.90x = 151,745.91 × 151,745.91
4. Step 4: Simplify right side
   69,499.90x = 23,026,820,063.63
5. Step 5: Solve for x
   x = 23,026,820,063.63/69,499.90
6. Step 6: Final answer
   x = 331,321.64