Finding the Third Proportional to 57,871,160 and 123,698,680

Step by Step Solution

1. Step 1: Write the proportion equation
   57,871,160 : 123,698,680 = 123,698,680 : x
2. Step 2: Convert to fraction form
   57,871,160/123,698,680 = 123,698,680/x
3. Step 3: Cross multiply
   57,871,160x = 123,698,680 × 123,698,680
4. Step 4: Simplify right side
   57,871,160x = 15,301,363,433,742,400
5. Step 5: Solve for x
   x = 15,301,363,433,742,400/57,871,160
6. Step 6: Final answer
   x = 264,403,952.40