Finding the Third Proportional to 59,900,445 and 85,599,123

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900,445 : 85,599,123 = 85,599,123 : x
2. Step 2: Convert to fraction form
   59,900,445/85,599,123 = 85,599,123/x
3. Step 3: Cross multiply
   59,900,445x = 85,599,123 × 85,599,123
4. Step 4: Simplify right side
   59,900,445x = 7,327,209,858,369,129
5. Step 5: Solve for x
   x = 7,327,209,858,369,129/59,900,445
6. Step 6: Final answer
   x = 122,323,128.96