Finding the Third Proportional to 3,378,946 and 7,352,755

Step by Step Solution

1. Step 1: Write the proportion equation
   3,378,946 : 7,352,755 = 7,352,755 : x
2. Step 2: Convert to fraction form
   3,378,946/7,352,755 = 7,352,755/x
3. Step 3: Cross multiply
   3,378,946x = 7,352,755 × 7,352,755
4. Step 4: Simplify right side
   3,378,946x = 54,063,006,090,025
5. Step 5: Solve for x
   x = 54,063,006,090,025/3,378,946
6. Step 6: Final answer
   x = 15,999,961.55