Finding the Third Proportional to 133,501.50 and 291,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,501.50 : 291,619.50 = 291,619.50 : x
2. Step 2: Convert to fraction form
   133,501.50/291,619.50 = 291,619.50/x
3. Step 3: Cross multiply
   133,501.50x = 291,619.50 × 291,619.50
4. Step 4: Simplify right side
   133,501.50x = 85,041,932,780.25
5. Step 5: Solve for x
   x = 85,041,932,780.25/133,501.50
6. Step 6: Final answer
   x = 637,011.07