Finding the Third Proportional to 69,343.50 and 141,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,343.50 : 141,973.50 = 141,973.50 : x
2. Step 2: Convert to fraction form
   69,343.50/141,973.50 = 141,973.50/x
3. Step 3: Cross multiply
   69,343.50x = 141,973.50 × 141,973.50
4. Step 4: Simplify right side
   69,343.50x = 20,156,474,702.25
5. Step 5: Solve for x
   x = 20,156,474,702.25/69,343.50
6. Step 6: Final answer
   x = 290,675.76