Finding the Third Proportional to 59,900,438 and 85,599,112

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900,438 : 85,599,112 = 85,599,112 : x
2. Step 2: Convert to fraction form
   59,900,438/85,599,112 = 85,599,112/x
3. Step 3: Cross multiply
   59,900,438x = 85,599,112 × 85,599,112
4. Step 4: Simplify right side
   59,900,438x = 7,327,207,975,188,544
5. Step 5: Solve for x
   x = 7,327,207,975,188,544/59,900,438
6. Step 6: Final answer
   x = 122,323,111.81