Finding the Third Proportional to 50,580,288 and 78,465,024

Step by Step Solution

1. Step 1: Write the proportion equation
   50,580,288 : 78,465,024 = 78,465,024 : x
2. Step 2: Convert to fraction form
   50,580,288/78,465,024 = 78,465,024/x
3. Step 3: Cross multiply
   50,580,288x = 78,465,024 × 78,465,024
4. Step 4: Simplify right side
   50,580,288x = 6,156,759,991,320,576
5. Step 5: Solve for x
   x = 6,156,759,991,320,576/50,580,288
6. Step 6: Final answer
   x = 121,722,517.50