Finding the Third Proportional to 353,130 and 453,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,130 : 453,412.50 = 453,412.50 : x
2. Step 2: Convert to fraction form
   353,130/453,412.50 = 453,412.50/x
3. Step 3: Cross multiply
   353,130x = 453,412.50 × 453,412.50
4. Step 4: Simplify right side
   353,130x = 205,582,895,156.25
5. Step 5: Solve for x
   x = 205,582,895,156.25/353,130
6. Step 6: Final answer
   x = 582,173.41