Finding the Third Proportional to 4,163,588 and 9,138,184

Step by Step Solution

1. Step 1: Write the proportion equation
   4,163,588 : 9,138,184 = 9,138,184 : x
2. Step 2: Convert to fraction form
   4,163,588/9,138,184 = 9,138,184/x
3. Step 3: Cross multiply
   4,163,588x = 9,138,184 × 9,138,184
4. Step 4: Simplify right side
   4,163,588x = 83,506,406,817,856
5. Step 5: Solve for x
   x = 83,506,406,817,856/4,163,588
6. Step 6: Final answer
   x = 20,056,356.88