Finding the Third Proportional to 143,646 and 291,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,646 : 291,397.50 = 291,397.50 : x
2. Step 2: Convert to fraction form
   143,646/291,397.50 = 291,397.50/x
3. Step 3: Cross multiply
   143,646x = 291,397.50 × 291,397.50
4. Step 4: Simplify right side
   143,646x = 84,912,503,006.25
5. Step 5: Solve for x
   x = 84,912,503,006.25/143,646
6. Step 6: Final answer
   x = 591,123.34