Finding the Third Proportional to 7,077,287,801 and 10,988,838,516

Step by Step Solution

1. Step 1: Write the proportion equation
   7,077,287,801 : 10,988,838,516 = 10,988,838,516 : x
2. Step 2: Convert to fraction form
   7,077,287,801/10,988,838,516 = 10,988,838,516/x
3. Step 3: Cross multiply
   7,077,287,801x = 10,988,838,516 × 10,988,838,516
4. Step 4: Simplify right side
   7,077,287,801x = 120,754,571,930,725,089,280
5. Step 5: Solve for x
   x = 120,754,571,930,725,089,280/7,077,287,801
6. Step 6: Final answer
   x = 17,062,266,693.98