Finding the Third Proportional to 58,408,704 and 90,798,960

Step by Step Solution

1. Step 1: Write the proportion equation
   58,408,704 : 90,798,960 = 90,798,960 : x
2. Step 2: Convert to fraction form
   58,408,704/90,798,960 = 90,798,960/x
3. Step 3: Cross multiply
   58,408,704x = 90,798,960 × 90,798,960
4. Step 4: Simplify right side
   58,408,704x = 8,244,451,137,081,600
5. Step 5: Solve for x
   x = 8,244,451,137,081,600/58,408,704
6. Step 6: Final answer
   x = 141,151,071.20