Finding the Third Proportional to 21,685,684 and 47,148,776

Step by Step Solution

1. Step 1: Write the proportion equation
   21,685,684 : 47,148,776 = 47,148,776 : x
2. Step 2: Convert to fraction form
   21,685,684/47,148,776 = 47,148,776/x
3. Step 3: Cross multiply
   21,685,684x = 47,148,776 × 47,148,776
4. Step 4: Simplify right side
   21,685,684x = 2,223,007,078,298,176
5. Step 5: Solve for x
   x = 2,223,007,078,298,176/21,685,684
6. Step 6: Final answer
   x = 102,510,350.99