Finding the Third Proportional to 43,645,783.50 and 72,740,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,645,783.50 : 72,740,038.50 = 72,740,038.50 : x
2. Step 2: Convert to fraction form
   43,645,783.50/72,740,038.50 = 72,740,038.50/x
3. Step 3: Cross multiply
   43,645,783.50x = 72,740,038.50 × 72,740,038.50
4. Step 4: Simplify right side
   43,645,783.50x = 5,291,113,200,981,482
5. Step 5: Solve for x
   x = 5,291,113,200,981,482/43,645,783.50
6. Step 6: Final answer
   x = 121,228,507.70