Finding the Third Proportional to 617,621,928.75 and 1,359,601,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,621,928.75 : 1,359,601,051.50 = 1,359,601,051.50 : x
2. Step 2: Convert to fraction form
   617,621,928.75/1,359,601,051.50 = 1,359,601,051.50/x
3. Step 3: Cross multiply
   617,621,928.75x = 1,359,601,051.50 × 1,359,601,051.50
4. Step 4: Simplify right side
   617,621,928.75x = 1,848,515,019,239,905,536
5. Step 5: Solve for x
   x = 1,848,515,019,239,905,536/617,621,928.75
6. Step 6: Final answer
   x = 2,992,955,614.42