Finding the Third Proportional to 77,982,350 and 168,968,300

Step by Step Solution

1. Step 1: Write the proportion equation
   77,982,350 : 168,968,300 = 168,968,300 : x
2. Step 2: Convert to fraction form
   77,982,350/168,968,300 = 168,968,300/x
3. Step 3: Cross multiply
   77,982,350x = 168,968,300 × 168,968,300
4. Step 4: Simplify right side
   77,982,350x = 28,550,286,404,890,000
5. Step 5: Solve for x
   x = 28,550,286,404,890,000/77,982,350
6. Step 6: Final answer
   x = 366,112,157.49