Finding the Third Proportional to 51,164,584 and 78,723,005

Step by Step Solution

1. Step 1: Write the proportion equation
   51,164,584 : 78,723,005 = 78,723,005 : x
2. Step 2: Convert to fraction form
   51,164,584/78,723,005 = 78,723,005/x
3. Step 3: Cross multiply
   51,164,584x = 78,723,005 × 78,723,005
4. Step 4: Simplify right side
   51,164,584x = 6,197,311,516,230,025
5. Step 5: Solve for x
   x = 6,197,311,516,230,025/51,164,584
6. Step 6: Final answer
   x = 121,125,025.00