Finding the Third Proportional to 123,533,610 and 266,213,820

Step by Step Solution

1. Step 1: Write the proportion equation
   123,533,610 : 266,213,820 = 266,213,820 : x
2. Step 2: Convert to fraction form
   123,533,610/266,213,820 = 266,213,820/x
3. Step 3: Cross multiply
   123,533,610x = 266,213,820 × 266,213,820
4. Step 4: Simplify right side
   123,533,610x = 70,869,797,958,992,400
5. Step 5: Solve for x
   x = 70,869,797,958,992,400/123,533,610
6. Step 6: Final answer
   x = 573,688,391.03