Finding the Third Proportional to 76,435,586.72 and 116,876,406.09

Step by Step Solution

1. Step 1: Write the proportion equation
   76,435,586.72 : 116,876,406.09 = 116,876,406.09 : x
2. Step 2: Convert to fraction form
   76,435,586.72/116,876,406.09 = 116,876,406.09/x
3. Step 3: Cross multiply
   76,435,586.72x = 116,876,406.09 × 116,876,406.09
4. Step 4: Simplify right side
   76,435,586.72x = 13,660,094,301,391,162
5. Step 5: Solve for x
   x = 13,660,094,301,391,162/76,435,586.72
6. Step 6: Final answer
   x = 178,713,801.88