Finding the Third Proportional to 76,702,404 and 164,173,869

Step by Step Solution

1. Step 1: Write the proportion equation
   76,702,404 : 164,173,869 = 164,173,869 : x
2. Step 2: Convert to fraction form
   76,702,404/164,173,869 = 164,173,869/x
3. Step 3: Cross multiply
   76,702,404x = 164,173,869 × 164,173,869
4. Step 4: Simplify right side
   76,702,404x = 26,953,059,262,429,160
5. Step 5: Solve for x
   x = 26,953,059,262,429,160/76,702,404
6. Step 6: Final answer
   x = 351,397,842.27