Finding the Third Proportional to 27,391,216 and 64,777,184

Step by Step Solution

1. Step 1: Write the proportion equation
   27,391,216 : 64,777,184 = 64,777,184 : x
2. Step 2: Convert to fraction form
   27,391,216/64,777,184 = 64,777,184/x
3. Step 3: Cross multiply
   27,391,216x = 64,777,184 × 64,777,184
4. Step 4: Simplify right side
   27,391,216x = 4,196,083,566,969,856
5. Step 5: Solve for x
   x = 4,196,083,566,969,856/27,391,216
6. Step 6: Final answer
   x = 153,190,846.55