Finding the Third Proportional to 4,139,316 and 9,048,132

Step by Step Solution

1. Step 1: Write the proportion equation
   4,139,316 : 9,048,132 = 9,048,132 : x
2. Step 2: Convert to fraction form
   4,139,316/9,048,132 = 9,048,132/x
3. Step 3: Cross multiply
   4,139,316x = 9,048,132 × 9,048,132
4. Step 4: Simplify right side
   4,139,316x = 81,868,692,689,424
5. Step 5: Solve for x
   x = 81,868,692,689,424/4,139,316
6. Step 6: Final answer
   x = 19,778,314.26