Finding the Third Proportional to 63,952,460 and 140,656,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,952,460 : 140,656,578.50 = 140,656,578.50 : x
2. Step 2: Convert to fraction form
   63,952,460/140,656,578.50 = 140,656,578.50/x
3. Step 3: Cross multiply
   63,952,460x = 140,656,578.50 × 140,656,578.50
4. Step 4: Simplify right side
   63,952,460x = 19,784,273,075,326,664
5. Step 5: Solve for x
   x = 19,784,273,075,326,664/63,952,460
6. Step 6: Final answer
   x = 309,359,062.58