Finding the Third Proportional to 28,970 and 63,572

Step by Step Solution

1. Step 1: Write the proportion equation
   28,970 : 63,572 = 63,572 : x
2. Step 2: Convert to fraction form
   28,970/63,572 = 63,572/x
3. Step 3: Cross multiply
   28,970x = 63,572 × 63,572
4. Step 4: Simplify right side
   28,970x = 4,041,399,184
5. Step 5: Solve for x
   x = 4,041,399,184/28,970
6. Step 6: Final answer
   x = 139,502.91