Finding the Third Proportional to 59,900,123 and 87,603,784

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900,123 : 87,603,784 = 87,603,784 : x
2. Step 2: Convert to fraction form
   59,900,123/87,603,784 = 87,603,784/x
3. Step 3: Cross multiply
   59,900,123x = 87,603,784 × 87,603,784
4. Step 4: Simplify right side
   59,900,123x = 7,674,422,971,118,656
5. Step 5: Solve for x
   x = 7,674,422,971,118,656/59,900,123
6. Step 6: Final answer
   x = 128,120,320.74