Finding the Third Proportional to 4,395,140 and 9,127,132

Step by Step Solution

1. Step 1: Write the proportion equation
   4,395,140 : 9,127,132 = 9,127,132 : x
2. Step 2: Convert to fraction form
   4,395,140/9,127,132 = 9,127,132/x
3. Step 3: Cross multiply
   4,395,140x = 9,127,132 × 9,127,132
4. Step 4: Simplify right side
   4,395,140x = 83,304,538,545,424
5. Step 5: Solve for x
   x = 83,304,538,545,424/4,395,140
6. Step 6: Final answer
   x = 18,953,784.99