Finding the Third Proportional to 124,124,914.50 and 261,113,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,124,914.50 : 261,113,284.50 = 261,113,284.50 : x
2. Step 2: Convert to fraction form
   124,124,914.50/261,113,284.50 = 261,113,284.50/x
3. Step 3: Cross multiply
   124,124,914.50x = 261,113,284.50 × 261,113,284.50
4. Step 4: Simplify right side
   124,124,914.50x = 68,180,147,342,377,944
5. Step 5: Solve for x
   x = 68,180,147,342,377,944/124,124,914.50
6. Step 6: Final answer
   x = 549,286,560.37