Finding the Third Proportional to 615,210 and 963,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   615,210 : 963,136.50 = 963,136.50 : x
2. Step 2: Convert to fraction form
   615,210/963,136.50 = 963,136.50/x
3. Step 3: Cross multiply
   615,210x = 963,136.50 × 963,136.50
4. Step 4: Simplify right side
   615,210x = 927,631,917,632.25
5. Step 5: Solve for x
   x = 927,631,917,632.25/615,210
6. Step 6: Final answer
   x = 1,507,829.71