Finding the Third Proportional to 58,991,620 and 89,307,134

Step by Step Solution

1. Step 1: Write the proportion equation
   58,991,620 : 89,307,134 = 89,307,134 : x
2. Step 2: Convert to fraction form
   58,991,620/89,307,134 = 89,307,134/x
3. Step 3: Cross multiply
   58,991,620x = 89,307,134 × 89,307,134
4. Step 4: Simplify right side
   58,991,620x = 7,975,764,183,293,956
5. Step 5: Solve for x
   x = 7,975,764,183,293,956/58,991,620
6. Step 6: Final answer
   x = 135,201,647.00