Finding the Third Proportional to 42,834,868 and 65,256,134

Step by Step Solution

1. Step 1: Write the proportion equation
   42,834,868 : 65,256,134 = 65,256,134 : x
2. Step 2: Convert to fraction form
   42,834,868/65,256,134 = 65,256,134/x
3. Step 3: Cross multiply
   42,834,868x = 65,256,134 × 65,256,134
4. Step 4: Simplify right side
   42,834,868x = 4,258,363,024,625,956
5. Step 5: Solve for x
   x = 4,258,363,024,625,956/42,834,868
6. Step 6: Final answer
   x = 99,413,473.73