Finding the Third Proportional to 60,078,888 and 123,342,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,078,888 : 123,342,715.50 = 123,342,715.50 : x
2. Step 2: Convert to fraction form
   60,078,888/123,342,715.50 = 123,342,715.50/x
3. Step 3: Cross multiply
   60,078,888x = 123,342,715.50 × 123,342,715.50
4. Step 4: Simplify right side
   60,078,888x = 15,213,425,466,913,940
5. Step 5: Solve for x
   x = 15,213,425,466,913,940/60,078,888
6. Step 6: Final answer
   x = 253,224,152.00