Finding the Third Proportional to 63,974,440 and 139,307,600

Step by Step Solution

1. Step 1: Write the proportion equation
   63,974,440 : 139,307,600 = 139,307,600 : x
2. Step 2: Convert to fraction form
   63,974,440/139,307,600 = 139,307,600/x
3. Step 3: Cross multiply
   63,974,440x = 139,307,600 × 139,307,600
4. Step 4: Simplify right side
   63,974,440x = 19,406,607,417,760,000
5. Step 5: Solve for x
   x = 19,406,607,417,760,000/63,974,440
6. Step 6: Final answer
   x = 303,349,391.07