Finding the Third Proportional to 30,312 and 45,746

Step by Step Solution

1. Step 1: Write the proportion equation
   30,312 : 45,746 = 45,746 : x
2. Step 2: Convert to fraction form
   30,312/45,746 = 45,746/x
3. Step 3: Cross multiply
   30,312x = 45,746 × 45,746
4. Step 4: Simplify right side
   30,312x = 2,092,696,516
5. Step 5: Solve for x
   x = 2,092,696,516/30,312
6. Step 6: Final answer
   x = 69,038.55