Finding the Third Proportional to 69,051 and 148,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,051 : 148,969.50 = 148,969.50 : x
2. Step 2: Convert to fraction form
   69,051/148,969.50 = 148,969.50/x
3. Step 3: Cross multiply
   69,051x = 148,969.50 × 148,969.50
4. Step 4: Simplify right side
   69,051x = 22,191,911,930.25
5. Step 5: Solve for x
   x = 22,191,911,930.25/69,051
6. Step 6: Final answer
   x = 321,384.37