Finding the Third Proportional to 45,479,817 and 69,976,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,479,817 : 69,976,327.50 = 69,976,327.50 : x
2. Step 2: Convert to fraction form
   45,479,817/69,976,327.50 = 69,976,327.50/x
3. Step 3: Cross multiply
   45,479,817x = 69,976,327.50 × 69,976,327.50
4. Step 4: Simplify right side
   45,479,817x = 4,896,686,410,387,256
5. Step 5: Solve for x
   x = 4,896,686,410,387,256/45,479,817
6. Step 6: Final answer
   x = 107,667,240.84