Finding the Third Proportional to 570,429 and 1,210,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   570,429 : 1,210,828.50 = 1,210,828.50 : x
2. Step 2: Convert to fraction form
   570,429/1,210,828.50 = 1,210,828.50/x
3. Step 3: Cross multiply
   570,429x = 1,210,828.50 × 1,210,828.50
4. Step 4: Simplify right side
   570,429x = 1,466,105,656,412.25
5. Step 5: Solve for x
   x = 1,466,105,656,412.25/570,429
6. Step 6: Final answer
   x = 2,570,180.79