Finding the Third Proportional to 236,953.50 and 521,940

Step by Step Solution

1. Step 1: Write the proportion equation
   236,953.50 : 521,940 = 521,940 : x
2. Step 2: Convert to fraction form
   236,953.50/521,940 = 521,940/x
3. Step 3: Cross multiply
   236,953.50x = 521,940 × 521,940
4. Step 4: Simplify right side
   236,953.50x = 272,421,363,600
5. Step 5: Solve for x
   x = 272,421,363,600/236,953.50
6. Step 6: Final answer
   x = 1,149,682.80