Finding the Third Proportional to 39,636,036.50 and 87,066,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,636,036.50 : 87,066,539.50 = 87,066,539.50 : x
2. Step 2: Convert to fraction form
   39,636,036.50/87,066,539.50 = 87,066,539.50/x
3. Step 3: Cross multiply
   39,636,036.50x = 87,066,539.50 × 87,066,539.50
4. Step 4: Simplify right side
   39,636,036.50x = 7,580,582,300,505,060
5. Step 5: Solve for x
   x = 7,580,582,300,505,060/39,636,036.50
6. Step 6: Final answer
   x = 191,254,801.69