Finding the Third Proportional to 612,068,986.50 and 1,328,055,441

Step by Step Solution

1. Step 1: Write the proportion equation
   612,068,986.50 : 1,328,055,441 = 1,328,055,441 : x
2. Step 2: Convert to fraction form
   612,068,986.50/1,328,055,441 = 1,328,055,441/x
3. Step 3: Cross multiply
   612,068,986.50x = 1,328,055,441 × 1,328,055,441
4. Step 4: Simplify right side
   612,068,986.50x = 1,763,731,254,369,704,448
5. Step 5: Solve for x
   x = 1,763,731,254,369,704,448/612,068,986.50
6. Step 6: Final answer
   x = 2,881,588,992.86