Finding the Third Proportional to 147,224,386 and 309,678,968

Step by Step Solution

1. Step 1: Write the proportion equation
   147,224,386 : 309,678,968 = 309,678,968 : x
2. Step 2: Convert to fraction form
   147,224,386/309,678,968 = 309,678,968/x
3. Step 3: Cross multiply
   147,224,386x = 309,678,968 × 309,678,968
4. Step 4: Simplify right side
   147,224,386x = 95,901,063,221,545,024
5. Step 5: Solve for x
   x = 95,901,063,221,545,024/147,224,386
6. Step 6: Final answer
   x = 651,393,874.53