Finding the Third Proportional to 135,961.50 and 291,606

Step by Step Solution

1. Step 1: Write the proportion equation
   135,961.50 : 291,606 = 291,606 : x
2. Step 2: Convert to fraction form
   135,961.50/291,606 = 291,606/x
3. Step 3: Cross multiply
   135,961.50x = 291,606 × 291,606
4. Step 4: Simplify right side
   135,961.50x = 85,034,059,236
5. Step 5: Solve for x
   x = 85,034,059,236/135,961.50
6. Step 6: Final answer
   x = 625,427.49