Finding the Third Proportional to 341,768 and 747,870

Step by Step Solution

1. Step 1: Write the proportion equation
   341,768 : 747,870 = 747,870 : x
2. Step 2: Convert to fraction form
   341,768/747,870 = 747,870/x
3. Step 3: Cross multiply
   341,768x = 747,870 × 747,870
4. Step 4: Simplify right side
   341,768x = 559,309,536,900
5. Step 5: Solve for x
   x = 559,309,536,900/341,768
6. Step 6: Final answer
   x = 1,636,518.16