Finding the Third Proportional to 267,411 and 393,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,411 : 393,124.50 = 393,124.50 : x
2. Step 2: Convert to fraction form
   267,411/393,124.50 = 393,124.50/x
3. Step 3: Cross multiply
   267,411x = 393,124.50 × 393,124.50
4. Step 4: Simplify right side
   267,411x = 154,546,872,500.25
5. Step 5: Solve for x
   x = 154,546,872,500.25/267,411
6. Step 6: Final answer
   x = 577,937.60