Finding the Third Proportional to 618,279,352.50 and 1,333,411,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,279,352.50 : 1,333,411,078.50 = 1,333,411,078.50 : x
2. Step 2: Convert to fraction form
   618,279,352.50/1,333,411,078.50 = 1,333,411,078.50/x
3. Step 3: Cross multiply
   618,279,352.50x = 1,333,411,078.50 × 1,333,411,078.50
4. Step 4: Simplify right side
   618,279,352.50x = 1,777,985,104,266,533,120
5. Step 5: Solve for x
   x = 1,777,985,104,266,533,120/618,279,352.50
6. Step 6: Final answer
   x = 2,875,698,658.02