Finding the Third Proportional to 42,645,963 and 60,779,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,963 : 60,779,056.50 = 60,779,056.50 : x
2. Step 2: Convert to fraction form
   42,645,963/60,779,056.50 = 60,779,056.50/x
3. Step 3: Cross multiply
   42,645,963x = 60,779,056.50 × 60,779,056.50
4. Step 4: Simplify right side
   42,645,963x = 3,694,093,709,030,192
5. Step 5: Solve for x
   x = 3,694,093,709,030,192/42,645,963
6. Step 6: Final answer
   x = 86,622,354.13