Finding the Third Proportional to 76,470,258 and 116,899,791

Step by Step Solution

1. Step 1: Write the proportion equation
   76,470,258 : 116,899,791 = 116,899,791 : x
2. Step 2: Convert to fraction form
   76,470,258/116,899,791 = 116,899,791/x
3. Step 3: Cross multiply
   76,470,258x = 116,899,791 × 116,899,791
4. Step 4: Simplify right side
   76,470,258x = 13,665,561,135,843,680
5. Step 5: Solve for x
   x = 13,665,561,135,843,680/76,470,258
6. Step 6: Final answer
   x = 178,704,263.50