Finding the Third Proportional to 42,569,010 and 65,739,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,569,010 : 65,739,991.50 = 65,739,991.50 : x
2. Step 2: Convert to fraction form
   42,569,010/65,739,991.50 = 65,739,991.50/x
3. Step 3: Cross multiply
   42,569,010x = 65,739,991.50 × 65,739,991.50
4. Step 4: Simplify right side
   42,569,010x = 4,321,746,482,420,072
5. Step 5: Solve for x
   x = 4,321,746,482,420,072/42,569,010
6. Step 6: Final answer
   x = 101,523,302.57