Finding the Third Proportional to 341,442 and 516,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,442 : 516,859.50 = 516,859.50 : x
2. Step 2: Convert to fraction form
   341,442/516,859.50 = 516,859.50/x
3. Step 3: Cross multiply
   341,442x = 516,859.50 × 516,859.50
4. Step 4: Simplify right side
   341,442x = 267,143,742,740.25
5. Step 5: Solve for x
   x = 267,143,742,740.25/341,442
6. Step 6: Final answer
   x = 782,398.60