Finding the Third Proportional to 35,156,828 and 77,120,968

Step by Step Solution

1. Step 1: Write the proportion equation
   35,156,828 : 77,120,968 = 77,120,968 : x
2. Step 2: Convert to fraction form
   35,156,828/77,120,968 = 77,120,968/x
3. Step 3: Cross multiply
   35,156,828x = 77,120,968 × 77,120,968
4. Step 4: Simplify right side
   35,156,828x = 5,947,643,705,257,024
5. Step 5: Solve for x
   x = 5,947,643,705,257,024/35,156,828
6. Step 6: Final answer
   x = 169,174,639.57