Finding the Third Proportional to 847,272,048.75 and 1,978,519,065.05

Step by Step Solution

1. Step 1: Write the proportion equation
   847,272,048.75 : 1,978,519,065.05 = 1,978,519,065.05 : x
2. Step 2: Convert to fraction form
   847,272,048.75/1,978,519,065.05 = 1,978,519,065.05/x
3. Step 3: Cross multiply
   847,272,048.75x = 1,978,519,065.05 × 1,978,519,065.05
4. Step 4: Simplify right side
   847,272,048.75x = 3,914,537,690,753,662,976
5. Step 5: Solve for x
   x = 3,914,537,690,753,662,976/847,272,048.75
6. Step 6: Final answer
   x = 4,620,166,210.52