Finding the Third Proportional to 69,427.13 and 151,687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   69,427.13 : 151,687.69 = 151,687.69 : x
2. Step 2: Convert to fraction form
   69,427.13/151,687.69 = 151,687.69/x
3. Step 3: Cross multiply
   69,427.13x = 151,687.69 × 151,687.69
4. Step 4: Simplify right side
   69,427.13x = 23,009,154,539.10
5. Step 5: Solve for x
   x = 23,009,154,539.10/69,427.13
6. Step 6: Final answer
   x = 331,414.48