Finding the Third Proportional to 341,421 and 535,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,421 : 535,513.50 = 535,513.50 : x
2. Step 2: Convert to fraction form
   341,421/535,513.50 = 535,513.50/x
3. Step 3: Cross multiply
   341,421x = 535,513.50 × 535,513.50
4. Step 4: Simplify right side
   341,421x = 286,774,708,682.25
5. Step 5: Solve for x
   x = 286,774,708,682.25/341,421
6. Step 6: Final answer
   x = 839,944.55