Finding the Third Proportional to 215,299 and 502,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,299 : 502,875.50 = 502,875.50 : x
2. Step 2: Convert to fraction form
   215,299/502,875.50 = 502,875.50/x
3. Step 3: Cross multiply
   215,299x = 502,875.50 × 502,875.50
4. Step 4: Simplify right side
   215,299x = 252,883,768,500.25
5. Step 5: Solve for x
   x = 252,883,768,500.25/215,299
6. Step 6: Final answer
   x = 1,174,570.10