Finding the Third Proportional to 148,269,024 and 308,810,178

Step by Step Solution

1. Step 1: Write the proportion equation
   148,269,024 : 308,810,178 = 308,810,178 : x
2. Step 2: Convert to fraction form
   148,269,024/308,810,178 = 308,810,178/x
3. Step 3: Cross multiply
   148,269,024x = 308,810,178 × 308,810,178
4. Step 4: Simplify right side
   148,269,024x = 95,363,726,036,391,680
5. Step 5: Solve for x
   x = 95,363,726,036,391,680/148,269,024
6. Step 6: Final answer
   x = 643,180,372.16