Finding the Third Proportional to 518,069,381 and 1,126,909,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   518,069,381 : 1,126,909,992.50 = 1,126,909,992.50 : x
2. Step 2: Convert to fraction form
   518,069,381/1,126,909,992.50 = 1,126,909,992.50/x
3. Step 3: Cross multiply
   518,069,381x = 1,126,909,992.50 × 1,126,909,992.50
4. Step 4: Simplify right side
   518,069,381x = 1,269,926,131,196,349,952
5. Step 5: Solve for x
   x = 1,269,926,131,196,349,952/518,069,381
6. Step 6: Final answer
   x = 2,451,266,524.85