Finding the Third Proportional to 28,557,661.50 and 43,506,072

Step by Step Solution

1. Step 1: Write the proportion equation
   28,557,661.50 : 43,506,072 = 43,506,072 : x
2. Step 2: Convert to fraction form
   28,557,661.50/43,506,072 = 43,506,072/x
3. Step 3: Cross multiply
   28,557,661.50x = 43,506,072 × 43,506,072
4. Step 4: Simplify right side
   28,557,661.50x = 1,892,778,300,869,184
5. Step 5: Solve for x
   x = 1,892,778,300,869,184/28,557,661.50
6. Step 6: Final answer
   x = 66,279,176.99