Finding the Third Proportional to 39,623,442 and 86,281,210

Step by Step Solution

1. Step 1: Write the proportion equation
   39,623,442 : 86,281,210 = 86,281,210 : x
2. Step 2: Convert to fraction form
   39,623,442/86,281,210 = 86,281,210/x
3. Step 3: Cross multiply
   39,623,442x = 86,281,210 × 86,281,210
4. Step 4: Simplify right side
   39,623,442x = 7,444,447,199,064,100
5. Step 5: Solve for x
   x = 7,444,447,199,064,100/39,623,442
6. Step 6: Final answer
   x = 187,879,871.69