Finding the Third Proportional to 33,140,680 and 72,017,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,140,680 : 72,017,880.50 = 72,017,880.50 : x
2. Step 2: Convert to fraction form
   33,140,680/72,017,880.50 = 72,017,880.50/x
3. Step 3: Cross multiply
   33,140,680x = 72,017,880.50 × 72,017,880.50
4. Step 4: Simplify right side
   33,140,680x = 5,186,575,111,712,280
5. Step 5: Solve for x
   x = 5,186,575,111,712,280/33,140,680
6. Step 6: Final answer
   x = 156,501,770.99