Finding the Third Proportional to 59,784,686 and 124,340,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,784,686 : 124,340,798.50 = 124,340,798.50 : x
2. Step 2: Convert to fraction form
   59,784,686/124,340,798.50 = 124,340,798.50/x
3. Step 3: Cross multiply
   59,784,686x = 124,340,798.50 × 124,340,798.50
4. Step 4: Simplify right side
   59,784,686x = 15,460,634,171,617,602
5. Step 5: Solve for x
   x = 15,460,634,171,617,602/59,784,686
6. Step 6: Final answer
   x = 258,605,258.40