Finding the Third Proportional to 411,926.63 and 868,140

Step by Step Solution

1. Step 1: Write the proportion equation
   411,926.63 : 868,140 = 868,140 : x
2. Step 2: Convert to fraction form
   411,926.63/868,140 = 868,140/x
3. Step 3: Cross multiply
   411,926.63x = 868,140 × 868,140
4. Step 4: Simplify right side
   411,926.63x = 753,667,059,600
5. Step 5: Solve for x
   x = 753,667,059,600/411,926.63
6. Step 6: Final answer
   x = 1,829,614.82