Finding the Third Proportional to 86,087,105.65 and 175,787,560.55

Step by Step Solution

1. Step 1: Write the proportion equation
   86,087,105.65 : 175,787,560.55 = 175,787,560.55 : x
2. Step 2: Convert to fraction form
   86,087,105.65/175,787,560.55 = 175,787,560.55/x
3. Step 3: Cross multiply
   86,087,105.65x = 175,787,560.55 × 175,787,560.55
4. Step 4: Simplify right side
   86,087,105.65x = 30,901,266,443,023,004
5. Step 5: Solve for x
   x = 30,901,266,443,023,004/86,087,105.65
6. Step 6: Final answer
   x = 358,953,483.34