Finding the Third Proportional to 612,069,570 and 1,328,056,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,069,570 : 1,328,056,606.50 = 1,328,056,606.50 : x
2. Step 2: Convert to fraction form
   612,069,570/1,328,056,606.50 = 1,328,056,606.50/x
3. Step 3: Cross multiply
   612,069,570x = 1,328,056,606.50 × 1,328,056,606.50
4. Step 4: Simplify right side
   612,069,570x = 1,763,734,350,068,295,936
5. Step 5: Solve for x
   x = 1,763,734,350,068,295,936/612,069,570
6. Step 6: Final answer
   x = 2,881,591,303.53