Finding the Third Proportional to 135,931.50 and 291,546

Step by Step Solution

1. Step 1: Write the proportion equation
   135,931.50 : 291,546 = 291,546 : x
2. Step 2: Convert to fraction form
   135,931.50/291,546 = 291,546/x
3. Step 3: Cross multiply
   135,931.50x = 291,546 × 291,546
4. Step 4: Simplify right side
   135,931.50x = 84,999,070,116
5. Step 5: Solve for x
   x = 84,999,070,116/135,931.50
6. Step 6: Final answer
   x = 625,308.12