Finding the Third Proportional to 58,834,614.50 and 128,262,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,834,614.50 : 128,262,769.50 = 128,262,769.50 : x
2. Step 2: Convert to fraction form
   58,834,614.50/128,262,769.50 = 128,262,769.50/x
3. Step 3: Cross multiply
   58,834,614.50x = 128,262,769.50 × 128,262,769.50
4. Step 4: Simplify right side
   58,834,614.50x = 16,451,338,039,810,130
5. Step 5: Solve for x
   x = 16,451,338,039,810,130/58,834,614.50
6. Step 6: Final answer
   x = 279,620,053.26