Finding the Third Proportional to 341,656.50 and 747,669

Step by Step Solution

1. Step 1: Write the proportion equation
   341,656.50 : 747,669 = 747,669 : x
2. Step 2: Convert to fraction form
   341,656.50/747,669 = 747,669/x
3. Step 3: Cross multiply
   341,656.50x = 747,669 × 747,669
4. Step 4: Simplify right side
   341,656.50x = 559,008,933,561
5. Step 5: Solve for x
   x = 559,008,933,561/341,656.50
6. Step 6: Final answer
   x = 1,636,172.39