Finding the Third Proportional to 111,795,580 and 243,274,160

Step by Step Solution

1. Step 1: Write the proportion equation
   111,795,580 : 243,274,160 = 243,274,160 : x
2. Step 2: Convert to fraction form
   111,795,580/243,274,160 = 243,274,160/x
3. Step 3: Cross multiply
   111,795,580x = 243,274,160 × 243,274,160
4. Step 4: Simplify right side
   111,795,580x = 59,182,316,923,705,600
5. Step 5: Solve for x
   x = 59,182,316,923,705,600/111,795,580
6. Step 6: Final answer
   x = 529,379,756.55