Finding the Third Proportional to 3,472,140 and 7,606,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472,140 : 7,606,272 = 7,606,272 : x
2. Step 2: Convert to fraction form
   3,472,140/7,606,272 = 7,606,272/x
3. Step 3: Cross multiply
   3,472,140x = 7,606,272 × 7,606,272
4. Step 4: Simplify right side
   3,472,140x = 57,855,373,737,984
5. Step 5: Solve for x
   x = 57,855,373,737,984/3,472,140
6. Step 6: Final answer
   x = 16,662,742.21