Finding the Third Proportional to 19,528,479 and 42,528,645

Step by Step Solution

1. Step 1: Write the proportion equation
   19,528,479 : 42,528,645 = 42,528,645 : x
2. Step 2: Convert to fraction form
   19,528,479/42,528,645 = 42,528,645/x
3. Step 3: Cross multiply
   19,528,479x = 42,528,645 × 42,528,645
4. Step 4: Simplify right side
   19,528,479x = 1,808,685,645,536,025
5. Step 5: Solve for x
   x = 1,808,685,645,536,025/19,528,479
6. Step 6: Final answer
   x = 92,617,845.23