Finding the Third Proportional to 548,747,861,820 and 1,188,680,636,254

Step by Step Solution

1. Step 1: Write the proportion equation
   548,747,861,820 : 1,188,680,636,254 = 1,188,680,636,254 : x
2. Step 2: Convert to fraction form
   548,747,861,820/1,188,680,636,254 = 1,188,680,636,254/x
3. Step 3: Cross multiply
   548,747,861,820x = 1,188,680,636,254 × 1,188,680,636,254
4. Step 4: Simplify right side
   548,747,861,820x = 1,412,961,655,005,214,345,789,440
5. Step 5: Solve for x
   x = 1,412,961,655,005,214,345,789,440/548,747,861,820
6. Step 6: Final answer
   x = 2,574,883,208,326.18